(March 25, 1914)
Born on a farm near Cresco, Iowa. Studied forestry and later plant pathology in the University of Minnesota . A microbiologist with the du Pont de Nemours Foundation; in charge of research on industrial and agricultural bactericides, fungicides, and preservatives. Was involved in scientific research in genetics, plant breeding, plant pathology, entomology, agronomy, soil science, and cereal technology.
As a central figure in the "green revolution". Has col ....