Charles Sibley
Charles Gald Sibley (August 7, 1917 – April 12, 1998) was an American ornithologist and molecular biologist. He had a big influence on the scientific classification of birds.
Sibley's taxonomy was a major influence on many organizations, such as the American Ornithologists' Union.
This short article about a person from the United States can be made longer. You can help Wikipedia by adding to it.