William Poundstone

William Poundstone is an American author, columnist, and skeptic. He has written a number of books including the Big Secrets series and a biography of Carl Sagan.

Early life and education
Poundstone attended MIT and studied physics.

Personal life
An enthusiastic fan of the fiction author Harry Stephen Keeler, Poundstone maintains the Keeler homepage and contributed to the anthology A to Izzard: A Harry Stephen Keeler Companion (2002).

He is a cousin of comedian Paula Poundstone.