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The Calculus of Friendship by Prof. Strogatz

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The Calculus of Friendship is a delightful book transcribing the letters written between a seasoned math teacher Donald Joffray (at Loomis Chaffe - a private High School Loomis Chaffee) and a precocious student of that school Prof. Strogtaz.

After graduating from his high school (Loomis Chaffe) Mr. Strogatz went to Princeton University and got his Ph D from Harvard University (after a year at Cambridge University as Marshall Scholar)

They continued their friendship by writing letters mostly about mathematics (calculus) and the teacher student role slowly changes. This is a poignant story with personal setbacks and triumphs

From Steve Strogatz '76 Elected to American Academy of Arts and Sciences

His critically acclaimed book,
The Calculus of Friendship: What a Teacher and a Student Learned about Life While Corresponding about Math, chronicleshis remarkable relationship with Loomis Chaffee math teacher Donald M. Joffray. The book comprises more than 200 letters exchanged between the two over more than 30 years. (Formula for a Lasting Friendship, Loomis Chaffee News )

Please take a look at this for a review The Calculus of Friendship « Continuous Everywhere but Differentiable Nowhere

You may also be interested in a small video of Prof. Strogtaz

The Calculus of Friendship - Steven Strogatz - YouTube

This is a full length of the video of Prof. Strogatz's talk


This is a website where one can express ones gratitude to ones teachers.

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