National Museum of Nuclear Science & History
Mars worked for Stone and Webster Engineering Corporation.
Margaret (“Chickie”) Broderick was a chemist at MIT during the Manhattan Project. Broderick was born Margaret McHugh in Boston, Massachusetts in 1921.
Leo A. Ortega, Jr. served in the 393rd Bombardment Squadron.
John P. Crisp, from Robbinsville, NC, helped construct the K-25 plant in Oak Ridge while working for the G.
Herbert G. “Mac” MacPherson (1911-1993) was an American nuclear engineer. MacPherson’s expertise on graphite made him a valuable consultant for the Manhattan Project.