Summary: So said the New York Times headline when geologist Marie Tharp discovered the Mid-Atlantic Ridge, which proved the theory of continental drift. Author Hali Felt chronicled Tharp's life in her book, Soundings. It comes out in paperback on Ju
Summary: So said the New York Times headline when geologist Marie Tharp discovered the Mid-Atlantic Ridge, which proved the theory of continental drift. Author Hali Felt chronicled Tharp's life in her book, Soundings. It comes out in paperback on Ju