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Peter Hamilton Raven (June 13, 1936 - April 25, 2026) was an American botanist, environmentalist, and the longtime director and president of the Missouri Botanical Garden.

Early life

On June 13, 1936, Raven was born in Shanghai, China, to American parents, Walter Francis Raven and Isabelle Marion Breen. His father's uncle Frank Jay Raven was, for a time,

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