National Museum of Nuclear Science & History
Merusi worked for Stone and Webster Engineering Corporation.
Robert Paulsen was a laboratory helper at the Chicago Met Lab.
E. V. Martin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Herbert M. Parker (1910-1984) was a British-American medical physicist. He worked at Chicago, Oak Ridge, and Hanford during the Manhattan Project, and is perhaps best known for inventing the rep (a precursor of the rad) and helping develop the rem to measure radiation dosage.