Harold S. Johnston is affiliated with the University of California, Berkeley in the United States. The focus of their scientific contributions lies primarily in the areas of chemical kinetics and photochemistry. Johnston's work has relevance to atmospheric chemistry and environmental conservation, with particular attention to the Earth's atmospheric environment.
Throughout their career, Johnston has been recognized with several prestigious awards. In 1997, they received the US President's National Medal of Science. The citation highlighted their major contributions to chemical sciences, especially in kinetics and photochemistry, and their role in enhancing understanding and conservation of the Earth's atmosphere. This award was presented by President Bill Clinton at a formal ceremony on December 16, 1997.
In 1993, Johnston was honored with the NAS Award for Chemistry in Service to Society by the U.S. National Academy of Sciences. The award recognized pioneering efforts to identify the impact of man-made emissions on stratospheric chemistry, specifically addressing the depletion of the ozone layer caused by nitrogen oxide.
Johnston's membership and fellowships in key scientific organizations demonstrate professional recognition spanning several decades. They have been a Member of the National Academy of Sciences since 1965. Their fellowship status includes the American Geophysical Union (AGU) since 1986, the American Association for the Advancement of Science (AAAS) since 1981, and the American Physical Society (APS) since 1969.
Additional fellowships include the John Simon Guggenheim Memorial Foundation in 1960 and the Alfred P. Sloan Foundation in 1955. Early in their career, in 1961, Johnston received the Bourke Award from the Royal Society of Chemistry (UK).
The overall scope of Johnston's scientific work is rooted in chemistry with an emphasis on environmental and atmospheric applications, as evidenced by the themes in the awards and institutional recognition. Their career reflects involvement with fundamental chemical kinetics and mechanisms relevant to atmospheric photochemistry and human impact on the ozone layer.
Harold Johnston
Harold S. Johnston;Julian Heicklen
Harold S. Johnston;Christopher. Parr
Richard A. Graham;Harold S. Johnston
Thomas T. Paukert;Harold S. Johnston
Harold S. Johnston;Richard Graham
G. E. Streit;H. S. Johnston
Stephen E. Schwartz;Harold S. Johnston
Harold S. Johnston;Douglas E. Kinnison;Donald J. Wuebbles
Harold S. Johnston;Donald Rapp
Harold Johnston;Gary Whitten;John Birks
C. A. Cantrell;W. R. Stockwell;L. G. Anderson;K. L. Busarow
Dudley R. Herschbach;Harold S. Johnston;Donald Rapp
Gary S. Selwyn;Harold S. Johnston
Harold S. Johnston;Earl D. Morris;Jack Van den Bogaerde
Gary Selwyn;James Podolske;Harold S. Johnston
Harold S. Johnston;James Podolske
Harold Johnston;Richard Graham
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