(1880–1950), born in Chicago, graduated from Princeton (1902) and lived at University Settlement, New York City, while working for the abolition of child labor and for other social reforms. He helped Upton Sinclair gather material for The Jungle, and then published his first novel, The Voice of the Street (1906), depicting New York's impoverished Lower East Side. New York was also a major setting for his major novel, The Harbor (1915). He also served as a war correspondent in Germany and France, going to Russia (1917) to view the October Revolution sympathetically and at first hand. His Family (1917, Pulitzer Prize) treats changing standards in U.S. life.
From The Oxford Companion to American Literature in Oxford Reference.