Jack F. Hansjergen

Frank M. Fradelia

Robert Krohn

Robert Krohn was born in Milwaukee, Wisconsin December 26, 1919. He attended the University of Wisconsin and graduated from the Electrical Engineering School in June of 1942.

Dorotha Hogan Crisp

Dorotha “Dot” Hogan Crisp, from Midway in Greene County, TN, began working for Tennessee Eastman Corporation as a cubicle operator, better known as a “Calutron Girl,” at the Y-12 plant in Oak Ridge in 1944, before transferring to the Y-12 personnel office as a clerical assistant in 1945.

E. M. Loveland