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Faces of Science: March for Science

Washington, D.C. - April 21, 2017: David Guggenheim is a Marine Scientist, president and founder of Washington D.C. non-profit Ocean Doctor.

CREDIT: Matt Roth

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Copyright: 2017, Matt Roth
Image Size: 7360x4912 / 2.0MB; mattrothphoto.com; National Mall Washington David Guggenheim D.C. March for Science Captiol scientist science Ocean Doctor oceanographer
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Washington, D.C. - April 21, 2017: David Guggenheim is a Marine Scientist, president and founder of Washington D.C. non-profit Ocean Doctor. <br />
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CREDIT: Matt Roth