The late
Rachel Carson was for many years a marine biologist and then editor-in-chief of the United States Fish and Wildlife Service. She was also the author of
Silent Spring,
Under the Sea-Wind, and
At the Edge of the Sea.
Sylvia Earle is a marine biologist, oceanographer, and National Geographic Society Explorer in Residence. Her books include
Blue Hope: Exploring and Caring for Earth's Magnificent Ocean and
Ocean: An Illustrated Atlas.