Owens, Joan Murrell
1933-2011 · Contribution: 1976-1995
Marine biology, geology, and paleontology; research on deep-sea 'button' corals — described a new genus (Rhombopsammia, with species R. niphada and R. squiresi) and a new species (Letepsammia franki), and proposed how reduced calcium carbonate at depth shaped coral evolution
Portraits are AI-generated interpretations, not photographs.
Impact on the world
First African American woman to earn a PhD in geology (George Washington University, 1984); advanced coral taxonomy and deep-sea ecology while working with Smithsonian collections (her sickle cell trait prevented diving).
Life & background
African-American marine biologist, geologist, and educator born June 30, 1933 in Miami, FL. Began as a fine-arts graduate and educator, returning to science at 37; professor at Howard University. Died May 25, 2011.
Sources
- Smithsonian Ocean; African American Registry; Oxford University Museum of Natural History
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