Clarence Johnson

Nate Weisenberg: My name is Nate Weisenberg. I am doing this interview for the Atomic Heritage Foundation with Kathleen Maxwell here in Wellesley, Massachusetts. It is Monday, April 25, 2016. How did you get involved with the Manhattan Project? Kathleen Maxwell: I had just finished my Master’s degree at Smith [College], and I was contemplating […]

Jersey City was home to the headquarters of the M. W. Kellogg Company, which specialized in chemical engineering projects. In 1942, the S-1 Committee tasked Kellogg with conducting research into the feasibility of the gaseous diffusion process for separating uranium isotopes. As the Manhattan Project began, Kellogg’s vice president of engineering, Percival “Dobie” Keith, took […]

Sir Hugh Taylor: I had been requested by the British Government to find out certain things. They wanted, for example, to know whether they could use this thing and the General Electric Company made it available to them on the condition that their affiliate in England was entrusted with the responsibility of supplying it. It […]