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Media Advisory 16-017
NSF, NSB Statement on Ralph J. Cicerone's passing at 73
Cicerone focused research community on environmental challenges
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![Cicerone was the 21st president of the National Academy of Sciences.](/news/mmg/media/images/NAS_President_022_f.jpg)
Cicerone was the 21st president of the National Academy of Sciences.
Credit: NAS photo by Mark Finkenstaedt
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