National Museum of Nuclear Science & History
Wuethrich worked for Stone and Webster Engineering Corporation.
Orin R. Barrett served in the 393rd Bombardment Squadron.
Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. M. Bryans 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.