Marie Tharp at her drafting table in Lamont Hall, circa 1961.Lamont-Doherty Earth Observatory and the estate of Marie Tharp Until the 1950s, scientists didn't have a clear understanding of what the ...

Until 1957, most of the public believed that the bottom of the ocean was a flat featureless expanse of sand, stretching endlessly around the globe. Then the first relief map of the Atlantic Ocean ...

The Navy's top official announced that, as part of his efforts to celebrate "the countless contributions women have made and service to our nation" on International Women's Day, March 8, he is ...

Imagine a young woman who sought to explore the oceans’ depths but was barred from going to sea. From her desk in New York City in the 1950s, she used bits of data gathered by the ships she couldn’t ...

Marie Tharp spent the fall of 1952 hunched over a drafting table, surrounded by charts, graphs, and jars of India ink. Nearby, spread across several additional tables, lay her project—the largest and ...

Nicole Trenholm talks about the Niskin water sampler from the deck of R/V Marie Tharp. Trenholm is lead scientist and oceanographer for Ocean Research Project. The crew will leave Annapolis aboard the ...

"A compelling portrait of one of the most interesting "forgotten" women of the twentieth century, the scientist who mapped, for the first time, the ocean floor. Until Marie Tharp's groundbreaking work ...

In the sunlight of a May afternoon on the Chesapeake Bay, a 72-foot schooner called the Marie Tharp floated above a shipwreck from long ago. The boat’s instruments were hard at work, mapping the ruins ...

Marie Tharp, 86, an oceanographic cartographer who drew pioneering maps of the world's oceans and whose observations from the late 1950s through the 1970s helped scientists reconsider the geology of ...