Hugo Griep

Ida M. Parr

Parr worked in the 200 East and 100 D Areas at Hanford during the Manhattan Project.  

George Caldwell

George Caldwell worked for the J.A. Jones Construction Company.

Lawrence O’Rourke

Lawrence S. O’Rourke began working on the Manhattan Project at Columbia University after he was called up from the Army Reserves in 1943.

F. W. George