W. R. Takala

M.A. Johnson

Donald A. Todd

Donald Todd was a staff worker at Los Alamos during the Manhattan Project.

Martin Skinner

Martin Skinner was born and raised in Michigan, just outside of Detroit. He was trained in Chemical Engineering at Michigan State University before joining the army.

John C. Healey

John “Jack” Carleton Healey, a colonel in the U.S. Air Force, participated in the Manhattan Project as part of General Groves’ staff in Washington, DC.