Warren H. Fraser

Marguerite F. Belcher

Belcher worked in the United States Engineer District Office.

Ethaline H. Cortelyou

Ethaline Hartge Cortelyou was a junior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. R. Smith

Nathan Ballou

Nathan Ballou (1919-2016) was an American chemist. He was born in 1919 in Rochester, Minnesota. In 1941 he received a bachelor’s degree from the Duluth State Teachers College (now the University of Minnesota Duluth).