Marie Tharp
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Happy Birthday, Marie Tharp!
State of the Planet celebrates the legacy of this history-making cartographer on what would be her 105th birthday.
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Two Longtime Lamont Research Professors Honored With New Appointments
Robin Bell has been named the Marie Tharp Lamont Research Professor and Richard Seager the Ewing Lamont Research Professor.
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Happy Birthday, Marie Tharp!
State of the Planet celebrates the pioneering cartographer’s legacy on what would be her 104th birthday.
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Girl Talk Is Making Waves
In honor of International Women’s Day, we highlight a new workshop that engages women of all backgrounds in ocean sciences.
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Cutting Confederate Ties, the U.S. Navy Names Ships for a Pioneering Female Oceanographer and a Daring Enslaved Pilot
Marie Tharp was a marine scientist in a man’s world. Robert Smalls was a skilled sailor, but held as a slave. Both are now being honored by the U.S. Navy.
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Google Doodle Celebrates Marie Tharp, Who Mapped the Ocean Floor
Tharp co-published the first world map of the ocean floors and helped prove the theory of continental drift.
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No Longer Just ‘Girl Talk’
Fifth graders commemorate pioneering mapmaker Marie Tharp using comics, pictures, and poems.
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Pod of the Planet Ep. 8: Marie Tharp’s Girl Talk
In this episode of Pod of the Planet, we celebrate the life of Marie Tharp and the inspiration she has been and continues to be to many scientists today.
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8 Surprising Facts About Marie Tharp, Mapmaker Extraordinaire
Maybe you already know that she created some of the first maps of the ocean floor and helped discover plate tectonics. Here are some lesser-known facts about this history-making cartographer.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
