Sidney Dillon Ripley
American ornithologist and 8th Secretary of the Smithsonian (1913-2001) · United States · On the map · Scientists · Died at 87
Sidney Dillon Ripley II was an American ornithologist and wildlife conservationist. He served as secretary of the Smithsonian Institution for 20 years, from 1964 to 1984, leading the institution through its period of greatest growth and expansion.
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A typical day, 30 days to 8 October 2026
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About this person
For his leadership at the Smithsonian, he was awarded the Presidential Medal of Freedom by Ronald Reagan in 1985.
Country
United States
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1913 to 2001 · aged 87
