National Museum of Nuclear Science & History
MacDonald worked for Stone and Webster Engineering Corporation.
Heri Schulze was a staff worker at Los Alamos during the Manhattan Project.
David Dow was a lawyer. He served as administrative assistant to J. Robert Oppenheimer. He was in charge of non-technical activities at Los Alamos and the Compagna Hill monitoring site, 20 miles from the Trinity test.
Takala worked at the 100-F Area at Hanford during the Manhattan Project.
John P. Crisp, from Robbinsville, NC, helped construct the K-25 plant in Oak Ridge while working for the G.
