National Museum of Nuclear Science & History
Sayers worked for Stone and Webster Engineering Corporation.
Lindgren worked in the 300 Area at Hanford during the Manhattan Project.
G. H. McLarty worked for the Kellex Corporation at the K-25 Plant.
Manuel Montes Alcalde (1921-2009) was a machinist at Los Alamos during the Manhattan Project. Alcalde was born in San Leandro, California.
Andrew H. MacMahon was the Chief Property Officer of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.