National Museum of Nuclear Science & History
Irvin Mastin worked for the J.A. Jones Construction Company.
Ellerbroek worked for Stone and Webster Engineering Corporation.
Paul Baranowsky served in the Army group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Bonsai worked at the 100-F Area at Hanford during the Manhattan Project.
C. V. Cannon worked for Clinton Laboratories at the X-10 Reactor.
