Ted Petry

Ted Petry, last surviving witness to first self-sustaining nuclear chain reaction, dies at 94

Ted Petry, last surviving witness to first self-sustaining nuclear chain reaction, dies at 94


Ted Petry dies; last known witness to historic 1942 U. of C. nuclear reaction

Ted Petry dies; last known witness to historic 1942 U. of C. nuclear reaction


A witness to atomic history hero photo

Ted Petry, last known witness to pioneering nuclear reaction at UChicago, 1924-2018

Ted Petry

A witness to atomic history


UChicago