Sylvia A. Earle

Sylvia Alice Earle is an American marine biologist, oceanographer, explorer, author, and lecturer. She has been a National Geographic Explorer at Large since 1998. Earle was the first female chief scientist of the U.S. National Oceanic and Atmospheric Administration, and was named by Time Magazine as its first Hero for the Planet in 1998. Earle is part of the group Ocean Elders, which is dedicated to protecting the ocean and its wildlife.