National Museum of Nuclear Science & History
Attended Virginia Polytechnic Institute.
Groht worked for Stone and Webster Engineering Corporation.
Fisher worked in the United States Engineer District Office.
Arnold Kramish was a physicist in the Manhattan Project and a member of the Special Engineering Detachment (SED) at Oak Ridge, Tennessee, the Philadelphia Navy Yard, and Los Alamos.
Gilbert Plass was a Canadian physicist. Plass was born in 1922 in Toronto. He received a B.S. in physics from Harvard University before being hired to work on the Manhattan Project at the Chicago Met Lab, where he worked as an associate physicist.