National Museum of Nuclear Science & History
Frank Cook worked for the JA Jones Construction Company in Oak Ridge, Tennessee during the Manhattan Project.
Robert H. Brown was a chemical engineer/metallurgist. He was educated at Drexel University and Massachusetts Institute of Technology.
J. Ernest Wilkins Jr. (1923-2011) was a prominent African American mathematician and physicist who worked at the University of Chicago Met Lab during the Manhattan Project.
Vaughn worked at the 200 West Area at Hanford during the Manhattan Project.