Cornelia Clapp, American marine biologist (died 1934)

Cornelia Maria Clapp was an American educator and zoologist, specializing in marine biology. She earned the first Ph.D. in biology awarded to a woman in the United States from Syracuse University in 1889, and she would earn a second doctoral degree from the University of Chicago in 1896. Clapp was the first female researcher employed at the Marine Biological Laboratory, as well as its only female trustee during the first half of the 20th century. She was rated one of the top 150 zoologists in the United States in 1903, and her name was starred in the first five editions of American Men of Science.

March 17 is the 76th day of the year in the Gregorian calendar; 289 days remain until the end of the year.