FFC 100A Section 24: Neuroscience and Literature:  A Cognitive Approach to Reading Fiction

Professor Richard Ruppel, Fall 2024
Office:  07 Smith Hall    

Meetings: Tuesday & Thursday, 2:30-3:45 PM, Hashinger Science Center, 205
                
Office Hours:  10-12pm Wednesday & by appointment.   

Phone: (714) 997-6754 (office)

Updated November 21, 2024

Weekly Syllabus
Assignments 
Units
Canvas
Useful Links

EVENTS & ANNOUNCEMENTS

Academic Advising: Here’s the link to the information about academic advising for first year students.  I recommend that all of you consult with Academic Advising once a year. 

Voting Information:  Nearly all of you will have the opportunity and privilege to vote on or before November 5 this year.  Chapman maintains a student voting information page, which includes a link to the California Secretary of State’s student register to vote page. 

I’ll add events through the semester, but if you know of other announcements or events that might appear here, send them along to me. 

Course Description & Objectives:  Literature has always been centrally concerned with character—Odysseus: clever, loyal, very stubborn; Don Quixote: chivalrous, honorable, slightly addled; Hamlet: noble, bitter, deeply conflicted; the Satan of Paradise Lost: proud, rebellious, grandly wicked; Elizabeth Bennet in Pride and Prejudice: bright, witty, affectionate; Mrs. Dalloway: so changeable, so psychologically rich, she can barely be contained within her novel. 

As readers, we know the characters in stories and novels better than we know our friends and family, better, sometimes, than we know ourselves.  A cognitive approach to literature attempts to account for this and other miracles of reading. This semester, we’ll look at short stories from a cognitive perspective, informed by our readings in Oliver Sacks’s case studies and in articles concerned with neuroscience and literature, to explore discoveries in neuroscience that shed light on how writers write and readers read.

This course involves significant reading and writing, both informal (on our discussion board) and more formal (reflection essays).  It will be important for you to stay on top of the course assignments. 

Here’s the description of FFC courses that appears in the Catalog:

This course engages students in interdisciplinary, university-level critical inquiry and reflection. The FFC course focuses more on critical engagement, exploration, and communication related to complex issues than on mastering a body of material. The section topics vary, and students select a topic according to their academic and personal interests. Some sections of this course may allow students with more than 30 credits earned to enroll. Must be taken for a letter grade.

Course Learning Outcomes: 

·       We will explore and begin to understand identity, narrative, memory, and other concepts from both a literary and a neuroscientific perspective.

·       We will hone our ability to think, read, and write critically about literature. 

FFC Program Learning Outcome: Students critically analyze and communicate complex issues and ideas.

To think critically about a subject or issue you must be objective. This means you need to be aware of your own attitudes and ideas about the subject or issue and avoid simply imposing those attitudes and ideas when you read our neuroscience articles and short stories. 

In our class, you will examine your attitudes and understanding about consciousness, the unconscious, identity, the way we construct coherence, mental illness, trauma, memory, and other cognitive activities we all tend to take for granted. The attitudes and understandings you take into this course may well be changed by our readings, discussions, and your own reflections. 

Thinking critically requires research, discussion, analysis, and evaluation before you form a judgment, and your judgment should remain open to change when you encounter new information or data. 

Texts & Supplies

Oliver Sacks. The Man who Mistook his Wife for a Hat. (This is a complete online copy, but you should still buy the book.)
All other readings will be online and/or in the “Modules” and “Files” sections of our Canvas pages. 


Course Requirements: 

Attendance:  Please make every effort to attend each class.  Let me know if you are unable to attend.  If you miss more than three classes, your grade will suffer, and if you miss six or more, you will not pass. 

Communication:  Please be courteous and constructive in our classes.  I receive a large number of emails, so when emailing, please identify the course (FFC), your last name, and the subject in the subject line.  I will respond promptly to your emails; please respond promptly to mine

Reflective Essays:  We will discuss criteria for the reflective essays well before they are due. (There is a description of how to write a reflection and a sample reflection, on memory, in our Canvas “Files” section. Click here for another detailed definition of a reflective essay, with advice about how to approach it.) Generally, you will be asked to reflect on the ways clinical, neurological studies inform our understanding of literature. These reflections should be submitted directly to my email address: ruppel@chapman.edu.  Send the paper itself as an MSWord file or, if necessary, as text, not as a pdf.  And do not send me a link to a Google doc. 

Late reflections will receive reduced grades, and I will not accept papers submitted more than a week late unless you provide a convincing explanation.  To pass this course, you must complete these two reflections.  If you are having difficulty completing a reflection or a Canvas discussion post, let me know. 

I will accept a revision of one of your reflections, but you must schedule a conference with me to discuss that revision before you submit it. I will average the grade of the original paper and the revision. 

I will both grade and mark essays earning a grade of C- or higher.  I will not put a grade on a reflection that earns a grade lower than C-.  If I return an essay to you that does not include a grade, you will need to schedule a meeting with me so we can go over the essay together and work out a revision strategy.  I may ask you to schedule a consultation with the Writing Center before our meeting. 

Presentations:  Each of you will make two presentations with three or four partners. For the first, you will present on some aspect related to neuroscience.  (Examples are listed in the Presentations section of the Modules area of Canvas.)  For the second, you and your partners will select a short story for us to read and then you will lead a discussion.

Canvas Discussion Posts:  I will assign Canvas Discussion responses for many of the assigned readings. These responses will be due before we discuss the readings. 

Minutes:  Because some of you may miss classes, I’m adding one more graded assignment.  All of you will take class notes – minutes – twice this semester.  You will work with a partner.  Each of you will take the notes for one week of classes.  Then you will collate your notes and send the collated notes to me.  I’ll check them over briefly for accuracy and then post them in the Modules section of Canvas. 

Grades

              2 Reflections:  10% for the first, 15% for the second
              Information literacy project:  5% (complete by October 7)
              Minutes:  5%
              Presentations:  10% for the first, 15% for the second. 
              Participation
*: 20%
              Final:  20%

*This is primarily your grade on the Canvas Discussion Board posts.  Here are my criteria for evaluating your posts:

1. The posting should respond as specifically as possible to the prompt (or you should indicate why you’re modifying the prompt).

2. The posting should reveal close engagement with the work under discussion.

3. The posting should contribute to the discussion, so later postings should not simply repeat earlier postings, and they should reflect some engagement with earlier postings. 

4. Postings should be brief but substantive. 

I will post grades in Canvas, which will calculate your overall grade for the class. The official grades are those I calculate myself, and these are nearly always the same as those Canvas creates.  If there is a discrepancy between the grade you see in Canvas and the grade I have in my gradebook, however, the gradebook grade is the one that’s correct. I am always happy to discuss assignment grades. 

Chapman University Academic Integrity Policy

Chapman University is a community of scholars that emphasizes the mutual responsibility of all members to seek knowledge honestly and in good faith.  Students are responsible for doing their own work, and academic dishonesty of any kind will be subject to sanction by the instructor and referral to the university's Academic Integrity Committee, which may impose additional sanctions up to and including dismissal.  (See the "Undergraduate Catalog" for the full policy.)  Though I am not requiring you to submit your reflections via Turnitin, I am an expert at finding sources, online and otherwise, so I will notice if you make unacknowledged use of someone else’s work.  And if I have doubts, I will submit your work to Turnitin myself.  So please save both of us from trauma and write your Canvas Discussion posts and reflections yourself. 

ChatGPT and other Large Language Model (LLM) chatbots:

1.     Typing a prompt into an LLM chatbot, copying the response, and then submitting that response for an assignment is an obvious form of academic misconduct.  Don’t do it. 

2.     Chatbots are sometimes inaccurate.  When I asked for a biography of Richard Ruppel, a Chapman English professor, I found that I was born in Fairview (false), had been an expert on the Holocaust (mostly false), had graduated from Yale and Harvard (false), and was now dead (demonstrably, I hope, false).  People in the field describe these errors as “hallucinations,” but they are presented with supreme self-confidence. Hallucinations are not uncommon. 

3.     If I suspect that you have pasted in a response produced by an LLM, I will check the various services that can detect this.  If those services confirm my suspicion, I will call you in for a conference. 

4.     Chatbots can be inaccurate, but they do offer clear, useful information which users should check.  These are early times, but through this semester (and through your academic career) we will all discover ways to help you use them to enhance your learning. 

The following discussion of the use of LLMs in academic settings was developed by Dr. Nora Rivera, a professor in Chapman’s English department: 

Acceptable Uses of LLMs

Not Acceptable Uses of LLMs

·       To improve your work

·       To brainstorm

·       To explore potential counterarguments

·       To fine-tune research questions

·       To draft an outline to organize your thoughts

·       To check grammar and style

·       To check format

·       To translate words and phrases

·       To replace your work

·       To cheat on the writing & research process

·       To obtain answers to assessments

·       To generate a full draft of your work

·       To generate large chunks of text with little or no input from you as an author

 

·       Students must cite AI technologies when appropriate (e.g., when using images generated by AI technologies, when referencing an answer provided by AI technologies, et cetera)

·       Copying works entirely generated by AI technologies and submitting them as original content is considered an academic integrity violation

·       Always revise your work before submitting it. You are responsible for any inaccurate, biased, offensive, or otherwise unethical content you submit regardless of whether it originally comes from you or an AI model.

 

In-Class use of laptops, tablets, and phones:

You may use a laptop to take class notes only when you are one of the week’s note-takers.  Otherwise, laptops and tablets must remain closed, and you may not consult your phone during class.  If you have a reason to use one of these devices during class, you must receive my permission to do so beforehand.  If I see you consulting your phone during class, I will mark you absent. 

Chapman's Students with Disabilities Policy:

In compliance with ADA guidelines, students who have any condition, either permanent or temporary, that might affect their ability to perform in this class are encouraged to inform the instructor at the beginning of the term. The University, through the Disability Services Office, will work with the appropriate faculty member who is asked to provide the accommodations for a student in determining what accommodations are suitable based on the documentation and the individual student needs. The granting of any accommodation will not be retroactive and cannot jeopardize the academic standards or integrity of the course.

Please contact me if you have ANY concerns about completing any of the requirements of this course
. I want you to feel challenged, not overwhelmed.   

Chapman Equity and Diversity Policy:

Chapman University is committed to ensuring equality and valuing diversity.  Students and professors are reminded to show respect at all times as outlined in Chapman’s Harassment and Discrimination Policy.  Any violations of this policy should be discussed with the professor, the Dean of Students and/or otherwise reported in accordance with this policy. 


Weekly Syllabus*

Week 1 – August 27-29: Introductions, Illness, & Identity
Week 2 – September 3-5: Illness & Identity

Week 3 – September 10-12: Illness & Identity
Week 4 – September 17-19: Illness, Identity, & Memory

Week 5 – September 24-26:  Illness, Identity, & Memory
Week 6 – October 1-3: Memory   CUE visit Thursday.  BE SURE TO COMPLETE THE INFORMATION LITERACY MODULE BEFORE WE VISIT THE LIBRARY OCTOBER 8.

Week 7 – October 8-10:  Information Literacy library visit, Oct. 8—room 305. Memory. [3-5 page reflection on “Illness” and/or “Identity” due October 10].

Week 8 – October 15-17: Memory.  Begin first presentations on some concept related to neuroscience.  Groups 1-4.   
Week 9 – October 22-24: Groups 5-8.   
Week 10 – October 29-31: Perceptions. 

Week 11 – November 5-7: Perceptions.
Week 12 – November 12-14: Perceptions.

Week 13 – November 19-21: Groups 1-3 present their short stories Thursday. [3-5 page reflection on memory and/or perception due Nov 19]

 

 

THANKSGIVING BREAK

 

Week 14 – December 3-5: Groups 4-6 present on their stories on Tuesday, 7-8 on Thursday.

Week 15 Final:  Wednesday, December 11.  10:45-1:15pm.

 


*This syllabus may change, but I will give you plenty of notice, and I will keep the syllabus updated on the Web. 


Assignments:

For Tuesday, August 27:  Course introduction.  We’ll introduce ourselves and go over this Web page and our Canvas pages.

For Thursday, August 29:  Read through our syllabus and bring questions and comments to class. 

For Tuesday, September 3: Read The Disembodied Lady” (43-54) in our text, The Man who Mistook his Wife for a Hat. (If you don’t have the text yet, you can click on the book title and look for “The Disembodied Lady.”)  For a good introduction to Oliver Sacks, watch this Ted talk.  And read Charlotte Perkins Gilman’s “The Yellow Wallpaper” and respond to the first Discussion Question in Canvas by 10am, Sept. 5.

For Thursday, September 5:  Read “Witty Ticcy Ray” (The hyperlink takes you to the original version in The London Review of Books.  It’s on 92-101 of The Man Who Mistook His Wife for a Hat).  Watch this You Tube on Tourette Syndrome.

For Tuesday, September 10:  Class visit by Erin, Laura, and Diane to discuss careers, internships, and our Tutoring Center. 

For Thursday, September 12:  Read “The Lost Mariner” (23-42) and “A Matter of Identity” (108-15).  

For Tuesday, September 17:  Read Vladimir Nabokov’s “Symbols and Signs.” :  By 10 am Thursday, the 19th, respond to the Canvas Discussion Board prompt, where I ask you to comment on the way the son’s mental illness is represented and treated in “Signs and Symbols.”   

For Thursday, September 19: Begin reading The Strange Case of Dr. Jekyll & Mr. Hyde.

For Tuesday, September 24:  Finish The Strange Case of Dr. Jekyll & Mr. Hyde.” Description and discussion about the first reflection, due Oct. 5. 

For Thursday, September 26:  Continued discussion of The Strange Case of Dr. Jekyll & Mr. Hyde.

For Tuesday, October 1:  Read “The Abyss: Music and Amnesia,” by Oliver Sacks.  (I’ve also loaded a copy into the Canvas Modules section.) This is an introduction to Clive Wearing, who lost his ability to retain any short-term memories.  Clear your topics for your first reflection with me.  The first reflection is due October 10. 

For Thursday, October 3:  Read “First Love,” by Vladimir Nabokov.  It’s in the Modules section of Canvas. 

For Tuesday, October 8:  MEET IN ROOM 305 IN THE LIBRARY.  BE SURE TO HAVE THE INFORMATION LITERACY MODULE FINISHED. Read Funes the Memorious,” by Jorge Luis Borges (also available in the Modules section of Canvas).

For Thursday, October 10:  First reflection due – email a copy to me.  Please email a text copy, not a pdf, and please don’t send a Google docs link. Continued discussion of “First Love” and “Funes the Memorious.” Discussion of the neuroscientific understanding of memory.  Preparation for presentations beginning next week. 

For Tuesday, October 15:  Discussion of “Funes the Memorious.” Preparation for presentations beginning October 17. 

For Thursday, October 17:  Presentations by Groups 1-3. 

For Tuesday, October 22:  Presentations by Groups 4-6. 

For Thursday, October 24:  Presentations by Groups 7-8. 

For Tuesday, October 29: Read The Man Who Mistook His Wife for a Hat.” (8-22 in the book.) 

For Thursday, October 31:  Begin reading “The Turn of the Screw,” and feel free to dress appropriately for the day. 

For Tuesday, November 5:  Continued discussion of “The Turn of the Screw.” Be sure to have to read through Chapter 10.  Decide on a topic for your second reflection, and be sure to clear your topic with me by November 8. 

For Thursday, November 7:  Finish reading “The Turn of the Screw.” 

For Tuesday, November 12:  Continue finishing 😊”The Turn of the Screw” and respond to the Discussion question in Canvas by 10am November 12. 

For Thursday, November 14: Prepare to meet in your groups to settle on the work for your presentation. 

For Tuesday, November 19: Work in class on presentations.  Second reflection due. 

For Thursday, November 21: First three presentations.  Read Plath’s “Lady Lazarus” and “Daddy” for Group 1.  Read Poe’s “The Tell-Tale Heart” for Group 2. 

For Tuesday, December 3: Presentations 4-6. Read the Shakespeare passages from Macbeth, King Lear, Richard III, and Hamlet (under the Presentation heading of the Modules section of Canvas) for Group 4.  Read Poe’s “The Black Cat” for Group 5.  Read Gogol’s “Memoir of a Madman” for Group 5. 

For Thursday, December 5: Presentations 3, 7, 8.  Read Perrault’s “Bluebeard” for Group 3.  Read Maupassant’s “The Horla” for group 7, and read Poe’s “The Fall of the House of Usher” for group 8. 


Readings

Oliver Sacks

Illness & Identity: “The Disembodied Lady,” “The Man who Fell out of Bed,” “Witty Ticcy Ray,” “Cupid’s Disease,” “A Matter of Identity,” “Yes, Father-Sister,” “The Possessed,” “Murder,” “The Visions of Hildegard,” “Rebecca,” “A Walking Grove,” “The Twins,” “The Autist Artist,” “A Bolt from the Blue” (in The New Yorker, July 23, 2007). A near-death experience leads a physician to an obsession with music and a new life. Discussion of schizophrenia, beginning with his brother Michael. 

Memory:  “The Lost Mariner,” “Reminiscence,” “A Passage to India,” “The Abyss: Music and Amnesia” (in The New Yorker, September 24, 2007)

Perceptions: “The Man who Mistook his Wife for a Hat,” “Hands,” “On the Level,” “Eyes Right!” “The President’s Speech,” “The Dog Beneath the Skin.” “Altered States: Self-Experiments in Chemistry” (Sacks’s experiences with mind-altering drugs, in The New Yorker, August 27, 2012). “Face Blind: Why are some of us terrible at recognizing faces?”  Another piece by Sacks in The New Yorker about his own experience with prosopagnosia. 

Short Stories:

Illness: Charlotte Perkins Gilman, “The Yellow Wallpaper”; Perkins Gilman’s letter, “Why I Wrote “The Yellow Wallpaper.” Nabokov, “Symbols and Signs.”  (There is a brief film of Symbols and Signs, but it’s no longer available on You Tube) 

Identity: Robert Louis Stevenson, “The Strange Case of Dr. Jekyll & Mr. Hyde.”  The entire 1920 silent film. 1931 film segment.  1941 film trailer.  A Wikipedia article that lists the story’s many adaptations.

Memory: Rudyard Kipling, “The Finest Story in the World”;  Vladimir Nabokov, “First Love,” (Still Life with gilt Beer Tankard a painting including details that remind me of Nabokov’s extraordinary memory for detail, Willem Claesz 1634); Jorge Luis Borges, “Funes the Memorious.” H.G. Wells, “The Door in the Wall” [audio recording]; Washington Irving, “Rip Van Winkle

Acquired Savant Syndrome: This occurs in “Funes the Memorious.” Here’s a video describing the phenomenon.  [This video looks authoritative, but it needs to be substantiated. The speaker is Clemens Steinek, pursuing his PhD in Biology at Ludwig-Maximilians University in Munich.]

Perceptions: Henry James, “The Turn of the Screw.”  [Scene from the 1999 BBC television adaptation, with Colin Firth and Jodhi May. The Innocents, the entire 1961 adaptation of the story with Deborah Kerr as the governess – a much-admired film.] Conrad Aiken, “Silent Snow, Secret Snow.” 

Articles:

Illness: 

·       Literature & the History of Neuroscience,” Mary Harrington (On “The Yellow Wallpaper.”) 

·       A History of Hysteria, from McGill University’s Office of for Science and Society. 

·       "Sacred Dangers: Nabokov's Distorted Reflection in "Signs and Symbols," by David Field, from Studies in Short Fiction (June, 1988): 285-293.  (In the Canvas Module section.)

·       Anne Stiles on “The Rest Cure: 1873-1925.” 

·       From the NY Times, October 15, 2015.  The Chains of Mental Illness in West Africa.”  A description of the treatment of mental illness in parts of Africa.

·       NPR article concerned with the city of Geel, in Belgium, where people with schizophrenia are taken in by the town’s residents.   

Identity:  The Neuroscience of Immortality: Mileposts on a Long, Uncharted Road.”  Amy Harmon.  New York Times, 9/12/2015. “Will You Ever be able to Upload your Brain?” Kenneth Miller.  New York Times, 10/10/2015. 

 

Other Useful Links

On writing a reflection paper

On Consciousness

·       Anil Seth, “How Does Your Brain Construct Your Conscious Reality?” (17 minute TED). 

·       The Ego Tunnel: Prof. Dr. Thomas Metzinger.  Metzinger is a philosopher with an interest in neuroscience.  He proves that the self is a relatively unstable construct. 

·       Why We Need to Study Consciousness,” Kenneth Shinozuka.  In Scientific American. 

On Perception

·       The Neuroscience of Perception,” Anil Seth.  (5 minutes, discusses the connection between the way the brain processes perception and storytelling.)

On Illnesses

·       Tourette Syndrome:  Described by young people.  From ‘Imi, a video about a young man with Tourette Syndrome who sings on The Voice.  Hichki (trailer), a film about a young woman with Tourette Syndrome who wants to be a teacher.  Based on a true story. (With thanks to Prena.)

·       Interviews with people suffering from schizophrenia.  Reducing the stigma of schizophrenia. 

·       A Ted Talk by Rosie King on what it’s like to be autistic.  Another by Temple Grandin. 

·       The Beach family, on an invisible disability. 

On the Neuro-System  

·       The limbic system via the Khan Academy. (Including a mnemonic involving a hippopotamus). 

·       A YouTube video describing neuroanatomy (12 minutes) by “Anatomy Zone.” Part 2 (8½ minutes).  Another YouTube from MIT showing the parts of an actual brain. 

·       The parietal and occipital lobes.  In “The Man Who Mistook His Wife for a Hat,” Dr. P’s strange agnosia (inability to interpret and process sensations) was caused by progressive damage to his occipital lobe.

·       How the Brain Works.   

·       Cross-section of the brain showing the basal ganglia, thalamus, hippocampus, amygdala, and hypothalamus. 

·       Midbrain.

·       Neurotransmitters: Dopamine. 

·       Temporal lobe functions. 

Art & Neuroscience

·       Alva Noë, “How Art Reveals the Limits of Neuroscience.” Chronicle of Higher Education, Sept. 8, 2015.

Memory

·       Nova episode, “Memory Hackers.” 

·       Feats of memory – Highly Superior Autobiographical Memory:  Jake.  More on Jake.  Sixty Minutes More from James McGaugh on HSAM. Story on Jake Hausler from 2019, when he was a high school sophomore.   

·       Deficits of memory: Video of a man (and his family) suffering from retrograde amnesia. Brief lecture on H. M., the most famous example of a man suffering from the condition. Brief description of the career of Brenda Milner, at 103, the person most responsible for creating the field of neuropsychology and an expert on memory.  Alan Alda’s story about EP, another famous person suffering from retrograde amnesia. Documentary on Clive Wearing. The Man with the Seven Second Memory.  Clive Wearing. More on Clive Wearing. 

·       A useful “Where Are Memories Stored?”  video on memory, focusing on the famous patient, HM. 

·       A very brief video from Johns Hopkins that explains how scientists can turn brain functions into numbers to help them diagnose and treat diseases of the brain. 

·       Categories of memory. 

·       The case of James Leininger, who appears to have remembered an earlier life as James Huston, a WWII pilot. 

·       Borges & Memory: Encounters with the Human Brain,” Rodrigo Quian Quiroga. Also related to “Funes the Memorious.”

·       Acquired savant syndrome: “When Brain Damage Unlocks the Genius Within,” and in Scientific American, an article on how a person might “Instantly Blossom into a Savant.” “Brains are different in people with highly superior autobiographical memory,” Science Daily, July 30, 2012.  Sciencerely, How a Baseball Injury Made A Genius (Savant Syndrome)

·       How the Brain Works: the Brain’s Memory,” by Jonathon Leonard. 

·       Your Brain and You: Learning and Memory.” 

·       Janet Malcolm, “Six Glimpses of the Past: On Photography & Memory.”  In The New Yorker.    

 

Oliver Sacks

·       Ted Talk on hallucinations – a nice introduction to Oliver Sacks. 

·       PBS Newshour 1989 profile of Oliver Sacks.

·       Eulogies for Oliver Sacks: July 9, 1933-August 30, 2015:  Washington Post; New York Times; The Guardian; The Los Angeles Times

·       Peter Brook, The Man Who.  A play based on The Man Who Mistook his Wife for a Hat. Performed by Duke University students. 

·       Vincent Canby theatre review of The Man Who.  March 15, 1995, New York Times. 

“The Yellow Wallpaper”

·       Why I Wrote ‘The Yellow Wallpaper,’” by Charlotte Perkins Gilman. 

·       A brief discussion of the story from a medical point of view: Literature & the History of Neuroscience,” Mary Harrington.

·       Anne Stiles on “The Rest Cure: 1873-1925.” 

·       Film of “The Yellow Wallpaper” via IMBd.  Approximately 20 minutes. 

·       How Doth the Little Busy Bee,” by Isaac Watts.  A poem alluded to in the story. 

Just for Fun

·       Pilobolus Dance Company video. 

 

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