Edward Osborne Wilson, sometimes credited as E.O. Wilson, was an American biologist, researcher, theorist, and author. His biological specialty is myrmecology, a branch of entomology. A two-time winner of the Pulitzer Prize for General Non-Fiction, Wilson is known for his career as a scientist, his advocacy for environmentalism, and his secular-humanist ideas pertaining to religious and ethical matters. He was the Pellegrino University Research Professor in Entomology for the Department of Organismic and Evolutionary Biology at Harvard University and a Fellow of the Committee for Skeptical Inquiry. He is a Humanist Laureate of the International Academy of Humanism.