National Museum of Nuclear Science & History
Conrad worked in the United States Engineer District Office.
S. H. Barrett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Frederick A. Zenz was a chemical engineer, and received a B.A. in Chemistry from Queens College. He then earned his M.
Dr. Dieter M. Gruen is an internationally known German-American chemist, inventor, and innovator. Born in Waldorf, Germany in 1922, Dr.
