Also William L. Howarth.

William Howarth (1940) is an American writer and professor emeritus of environmental literature and history at Princeton University. He has published thirteen books and also written for such national periodicals as National Geographic, Smithsonian, and The American Scholar.

He has served on the editorial board of Environmental History, as chairman of the board for The Center for American Places, and as editor in chief of The Writings of Henry D. Thoreau.

Howarth has taught at Princeton since 1966. His courses included the Literature of Place and Travel, American Renaissance Literature, and Darwin in our Time. He has won several awards for research and teaching, and he has advised 100 Ph.D. dissertations and 256 senior theses. He is a faculty associate of the Princeton Environmental Institute and a member of its executive committee.

Howarth received a B.A. from the University of Illinois, and an M.A. and Ph.D. from the University of Virginia.