National Museum of Nuclear Science & History
Norman F. Modine was a research assistant at the University of Chicago Met Lab. He was a signer of the Szilard petition.
Robert Rumer worked for the United States Engineer District Office.
H. B. Hansard, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William Vatter was an American accounting scholar. Vatter was born in 1905 in Cincinnati. In his early years he hoped to be a musician, and he played the violin, viola, piano and French horn.