Walt Zinn
Historical Figure
Nationality: United States (born in Canada)
Date of Birth: 1906
Date of Death: 2000
Cause of Death: Natural causes
Occupation: Physicist
Professional Affiliations: Metallurgical Laboratory
Turtledove Appearances:
POD: May 30, 1942
Appearance(s): In the Balance
Type of Appearance: Direct
Walter Henry Zinn (December 10, 1906 – February 14, 2000) was a Canadian-born nuclear physicist with the University of Chicago's Metallurgical Laboratory. He worked on the Manhattan Project during World War II, is and credited with starting the world’s first self-sustaining nuclear reaction by withdrawing a control rod from the world’s first nuclear reactor on December 2, 1942 at the University of Chicago.

Walt Zinn in WorldwarEdit

Upon the Race Invasion of Tosev 3, Walt Zinn was briefly tasked with supervising an attempt to build an atomic pile under the University of Chicago football field. However, the Race's drive on Chicago forced the lab's evacuation to Denver.[1]


  1. In the Balance, pg. 96, PB.