George J. (George Jackson) Kneeland

Born in 1872, George J. Kneeland — George Jackson Kneeland — is remembered chiefly for Commercialized Prostitution in New York City, a major study first published in 1913. The book examined vice in New York in close detail and was issued with a supplementary chapter by Katharine Bement Davis and an introduction by John D. Rockefeller Jr.

Library and archival records identify him as George Jackson Kneeland (1872–1923). His surviving published work suggests a careful investigator interested in urban social conditions and reform, and his best-known book remains useful today as a primary source on Progressive Era attitudes toward crime, sexuality, and city life.

Although biographical details about his personal life are limited in the readily available sources, his writing has endured through major library collections and public-domain editions, giving modern readers access to an important piece of early American social research.