Dean Conant Worcester, D.Sc.(hon.), FRGS (1866 – 1924) was an American zoologist, public official, and authority on the Philippines, born at Thetford, Vermont, and educated at the University of Michigan (A.B., 1889). He first went to the Philippines in 1887 as a junior member of a scientific expedition, and built a controversial career in the early American colonial government beginning in 1899 based upon his experience in the country.