Environmentalist

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Trofim Lysenko
September 29, 1898 (78 years old)

Undisclosed

Lester R. Brown
March 28, 1934 (88 years old)

Undisclosed

Adolph Murie
September 6, 1899 (74 years old)

Undisclosed

Charles Keeling
April 20, 1928 (94 years old)

Undisclosed

Farrington Daniels
March 8, 1889 (133 years old)

Undisclosed

Henry Paul Hansen
April 28, 1907 (115 years old)

Undisclosed

James Hansen
March 29, 1941 (81 years old)

Undisclosed

Milutin Milankovic
May 28, 1879 (143 years old)

Undisclosed

Tim Flannery
January 28, 1956 (66 years old)

Undisclosed

William Bartram
April 20, 1739 (283 years old)

Undisclosed

Braden Allenby
December 29, 1950 (72 years old)

Undisclosed

Theodore Miller Edison
July 10, 1898 (94 years old)

$5 Million (Approx.)

Rachel Carson
May 27, 1907 (56 years old)

Undisclosed

Gina Lopez
December 27, 1953 (69 years old)

Undisclosed

Gregory S. Forbes
August 22, 1950 (72 years old)

Undisclosed

James Lovelock
July 26, 1919 (103 years old)

Undisclosed

Bill Mckibben
December 8, 1960 (62 years old)

Undisclosed

David Mayer Derothschild
August 25, 1978 (44 years old)

Undisclosed

Henry Baker

Undisclosed

Kim Soon-kwon
May 1, 1945 (77 years old)

Undisclosed

Phillip Law
April 21, 1912 (97 years old)

Undisclosed