1943
Born in Staten Island, New York.
1964
Receives a Bachelor of Chemical Engineering from Manhattan College.
1965
Receives a Master of Science from the University of Wisconsin.
1968
Receives a Doctor of Philosophy in chemical engineering from the University of Wisconsin.
1968
Becomes an engineer for the American Oil Company.
1973
Becomes an engineer for the United States Environmental Protection Agency (EPA).
1986
Marries Barbara Ickes.
1987
Becomes director of the National Exposure Research Laboratory for the EPA.
1993
Serves as acting assistant administrator of research and development at the National Exposure Research Laboratory.
1995
Receives a Thank You letter from President Bill Clinton.
2005
Becomes director of the National Center for Environmental Research for the EPA.
2007
Is appointed director of the EPA. He also serves as an Earth Observation Executive and Office of Science advisor.
2011
Becomes an executive and director of the Office of Research and Development of the EPA.
2012
Serves as acting director of the Robert S. Kerr Environmental Research Center of the EPA.
2014
Becomes Rockefeller 100 RC Partnership Lead for the EPA.
2017
Is presented with the Albert Nelson Marquis Lifetime Achievement Award from Marquis Who’s Who.
2019
Retires from the EPA.