Arthur L. Conkle

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).

L. Kenney

L. Kenney worked for the United States Engineer District Office.

Leo G. Raymond

Tobias Gomez