National Museum of Nuclear Science & History
Attended Purdue University.
Irby worked at the 300 Area at Hanford during the Manhattan Project.
J. G. Cothran served in the 390th Air Service Group.
Alfred Pfanstiehl was a junior physicist at the Chicago Met Lab during the Manhattan Project. Pfanstiehl was a signatory of the Szilard Petition, an attempt to avert military use of the atomic bomb against Japan.
Winfield Sylvester was a staff worker at Los Alamos during the Manhattan Project.