By Stephan Lee
Updated March 25, 2013 at 07:03 PM EDT

Author Philip Roth is famous for exploiting his private life for material in his writing, but the upcoming PBS documentary American Masters: Philip Roth: Unmasked (airing Mar. 29, 9 p.m.) will reveal the iconic writer’s thoughts on many subjects without the veil of fiction. In honor of Roth’s 80th birthday, admirers such as Jonathan Franzen and Mia Farrow also weigh in on his work and influence. Below is a clip in which Roth talks about the confessional nature of Portnoy’s Complaint — watch until the end to see his sharp sense of humor on display.

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