In the 1950's, an American biologist, Archie Carr, began calling attention to the problem.

Stephen Bowen is an American biologist, educator, and educational administrator.

David Challinor (1920 - 2008) was an American biologist, naturalist, and science advisor.

An American biologist who studies butterflies simply said it smelled like his laboratory.

Just was a pioneering African American biologist and educator.

Neal Lloyd First (born in 1930) is an American biologist.

"With any other biotech material you'd find a dramatically different list," a senior American biologist said on condition of anonymity.

James Hemphill Brown (born 1942), is an American biologist and academic.

John R. Carlson is an American biologist and professor.

American biologists have contributed some of biology's greatest findings.