National Museum of Nuclear Science & History
Cowan worked at the 100-B Area at Hanford during the Manhattan Project.
Frank Markli worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Menges was an Area Engineer and Area Supervisor at the Hanford Engineer Works. He was in the US Navy (USNR) until June of 1943 when he was injured in an explosion on his destroyer.
Leonard Orr served in the 1395th Military Police Company, Aviation.
