National Museum of Nuclear Science & History
Thomas Mitchell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
In 1943, Jess Brinkerhoff was working at Du Pont's Remington Arms ammunition plant in Salt Lake City as a warehouse and shipping foreman.
In a communication to Stone & Webster Engineering Corporation, General Leslie Groves gave instruction to discontinue work on the Y-12 Alpha 1 4-J unit, and, authorized Westinghouse Electric Corporation to hire additional draftsmen to accelerate the Y-12 Alpha 2 30-J uranium enrichment program at Oak Ridge, TN.