John M. Purdum

Matthew Sands

Matthew Sands (1919-2014) was an American physicist. In 1943, Matthew Sands began working for the Naval Ordnance Laboratory and developed two types of influence mines before being disillusioned by the bureaucracy of the navy.

Gale Young

Gale Young was a research associate in theoretical studies at the University of Chicago Met Lab. Before joining the Manhattan Project in 1942, Young taught mathematics and physics at Olivet College.

Asa H. Brown

Asa H. Brown served in the 1st Ordnance Squadron. 

C.R. Smith