John E. Franz (December 21, 1929—)



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(Photo credit: Courtesy of John Franz)

John E. Franz
Patent #: 3,799,758
N-phosphonomethyl-Glycine Phytotoxicant Compositions

In 1970, research chemist John Franz discovered the glyphosate class of herbicides while searching for a systemic product that would be effective against perennial and annual weeds. Marketed under the brand name Roundup®, glyphosate eliminates more than 125 kinds of weeds and is nontoxic to animals. Glyphosate is among the most widely used herbicides in the world.

The broad-spectrum, post-emergence, glyphosate-containing herbicide Roundup® eliminates over 125 kinds of annual and perennial weeds. It is not active in soil and is readily metabolized to innocuous products. Glyphosate inhibits a key enzyme found primarily in plants, having no effect on mammals, birds, fish, or insects. Roundup® allows farmers to control weeds with minimal tillage, conserving topsoil, time, and fuel.

Franz was born in Springfield, Illinois. He received his B.S. and Ph.D. degrees at the University of Illinois and the University of Minnesota. He commenced work at Monsanto Company in 1955 and retired in 1991. Franz was awarded the National Medal of Technology in 1987 and the Perkin Medal in 1990. He holds over 840 U.S. and foreign patents.

 


Paul Baran
Emmett W. Chappelle
John E. Franz
Leroy E. Hood
Paul Christian Lauterbur
Peter Mansfield
Robert M. Metcalfe
David Wayne Cushman
Donald Watts Davies
William A. Goddard
Peter Carl Goldmark
Maurice Ralph Hilleman
Godfrey Newbold Hounsfield
John Joseph Lynott
Arthur Nobile
Miguel Angel Ondetti
Otto Wichterle




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