National Museum of Nuclear Science & History
Stephen Lawroski was an American chemical engineer who worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory from 1944-1946.
Miesenheimer (spelling could also be “Misenheimer”) worked in the 100 B Area at Hanford during the Manhattan Project.
Waverly Smith was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Arnold graduated from Northwestern University in 1941 with a B.S. degree in Biology and a minor in Chemistry.