From Wikipedia, the free encyclopedia.   Sylvia Alice Earle (born August 30, 1935 in Gibbstown, New Jersey) is an American oceanographer. She was chief scientist for the U.S. National Oceanic and Atmospheric Administration from 1990–1992. She is a National Geographic explorer-in-residence, sometimes called "Her Deepness" or "The Sturgeon General". Description above from the Wikipedia article Sylvia Earle, licensed under CC-BY-SA, full list of contributors on Wikipedia.