National Museum of Nuclear Science & History
Williams Helps worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Before the war Oswald Greager was a high-ranking DuPont chemist. He took leave from DuPont in 1942 to join the Army's Chemical Warfare Service.
William T. Allman, Jr. was born in Richmond, Virginia on December 26, 1917. He joined the army before Pearl Harbor, in an attempt to finish his military service before returning to school.
Jerome Karle (1918-2013) was an American chemist and Nobel laureate. During the war, Jerome Karle and his wife, Isabella Karle, worked on the Manhattan Project at the University of Chicago.