O.V. Smiset

C. J. McGruder

McGruder worked for Stone and Webster Engineering Corporation.

Samuel Beall Jr.

Samuel Beall Jr. is a nuclear engineer who worked on the Manhattan Project at Chicago, IL, Oak Ridge, TN, and Hanford, WA.

H. R. Johnson

Johnson worked at the 100-B Area at Hanford during the Manhattan Project. 

Walter Wendt