National Museum of Nuclear Science & History
Calhoun worked at the 100-B Area at Hanford during the Manhattan Project.
McLaughlin worked in the 200 West Area at Hanford during the Manhattan Project.
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.
