National Museum of Nuclear Science & History
Richard Claassen was a research assistant at the SAM Lab at Columbia University from 1944 to 1946. While there, he built and used fluidic systems to test for unusual leaks in diffuser tubes.
K. G. MacLeish worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Halteman worked at the 100-D Area at Hanford during the Manhattan Project.