Francis Bertody Sumner (August 1, 1874 – September 6, 1945) was an American ichthyologist, zoologist and writer.
[3] He became the Director of the U.S. Bureau of Fisheries Laboratory at Woods Hole.
He worked as a professor of biology at the Scripps Institution of Oceanography.
[3][4] Sumner was elected to the United States National Academy of Sciences in 1937 and the American Philosophical Society in 1938.
[5][6] Sumner collected many subspecies of Peromyscus in California.