National Museum of Nuclear Science & History
J. Carson Mark was a Canadian-American mathematician. Mark was born in 1913 in Lindsay, Ontario. He received a B.
Howard Braasch was a laborer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
J. E. McLeroy, Jr. worked for the Comstock-Bryant Electric Company.
L. L. Martin worked for the Tennessee Eastman Corporation at the Y-12 Plant.