Jane Goodall, 91
Zoologist
1
David Suzuki, 89
2
Dian Fossey (1932-1985)
3
Eugenie Clark (1922-2015)
4
Jack Vincent (1904-1999)
5
Oliver Payne Pearson (1915-2003)
6
Libbie Henrietta Hyman (1888-1969)
7
William Beebe (1877-1962)
8
Alexander Kovalevsky (1840-1901)
9
Giovanni Battista Grassi (1854-1925)
10
Georges Cuvier (1769-1832)
11
Austin Hobart Clark (1880-1954)
12
Frank Chapman (1864-1945)
13
Heiko Bleher, 80
14
Peter Medawar (1915-1987)
15
Steven Amstrup, 75
16
Arnold Edward Ortmann (1863-1927)
17
Scientists by Age
Scientists by Country