National Museum of Nuclear Science & History
Schroeder worked at the 100-D Area at Hanford during the Manhattan Project.
John H. Martens was a research associate and chemist at the University of Chicago Met Lab and a member of the Special Engineer Detachment at Oak Ridge.
Stanislaw Ulam (1909-1984) was a Polish-American mathematician. Ulam was born in 1909 in Lvov, Austria-Hungary (present-day Ukraine).
Jones worked at the 200 West Area at Hanford during the Manhattan Project.
