National Museum of Nuclear Science & History
John R. Leary Jr. was an American chemical engineer. He worked as a Shift Supervisor at the X-10 Plant, and as a research chemist in Building 205, at Oak Ridge.
Halm worked at the 300 Area at Hanford during the Manhattan Project.
Sylvia Warshaw was a Polish-American who worked as a research assistant in the chemistry division of the Chicago Met Lab.
Baker worked in the 300 Area at Hanford during the Manhattan Project.