National Museum of Nuclear Science & History
Gertrude Steel was a junior chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Joe Dykstra graduated from college in 1943 with a degree in chemistry. He went to Niagara Falls, where he worked for the Hooker Electrochemical Company, producing fluorine cells for Oak Ridge.
Treadwell worked at the 100-B and 100-D Areas at Hanford during the Manhattan Project.
J. T. Harvey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
