J. Frederick Grassle

John Frederick Matthews Grassle (July 14, 1939 – July 6, 2018) was an American marine biologist, oceanographer, professor, and research scientist. He was known for his work on the creation of the Census of Marine Life and the first marine biological data on a global scale, the Ocean Biogeographic Information System.
Grassle died at a nursing home in Franklin Township, New Jersey on July 6, 2018 at the age of 78.