Rene Dubos -
http://en.wikipedia.org/wiki/René_Dubos
quoting a summary -
René Jules Dubos
Born 20 February 1901
Saint-Brice-sous-Forêt, France[1]
Died 20 February 1982 (aged 81)
New York, New York, U.S.
Nationality French-born naturalized American
Fields Microbiology
Institutions The Rockefeller University (formerly The Rockefeller Institute for Medical Research)
Alma mater Rutgers University
Known for Isolation and first successful testing of natural antibiotics
Coining the phrase "Think globally, act locally"
Notable awards Albert Lasker Award for Basic Medical Research 1948
Pulitzer Prize in General Nonfiction 1969