National Museum of Nuclear Science & History
Darlington worked for Stone and Webster Engineering Corporation.
Guy Fisher worked for the J.A. Jones Construction Company.
Menges was an Area Engineer and Area Supervisor at the Hanford Engineer Works. He was in the US Navy (USNR) until June of 1943 when he was injured in an explosion on his destroyer.
N. Gatling worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Abramovitz worked in the United State Engineer District Office.