National Museum of Nuclear Science & History
Harry Grisham worked for the Kellex Corporation at the K-25 Plant.
Frank A. Alger Sr. was a member of the 509th Composite Group at Wendover, UT and later transferred to Tinian Island to prepare for the atomic bomb mission against Japan.
John Tempka (1923-2017) was an American engineer. Tempka was born in Boydsville, Ohio. He was studying at the University of Detroit when he was recruited to join the U.
J. N. Chancellor worked for the Roane-Anderson Company.