National Museum of Nuclear Science & History
Halloran worked in the United States Engineer District Office.
J. D. McPherson worked for the United States Engineer District Office.
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.
O’Black worked in the 200 East Area at Hanford during the Manhattan Project.