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Upton Sinclair

Upton Sinclair (1878-1968) was a journalist, a prominent social and political activist, and the author of over two dozen books, including the novel Dragon's Teeth , which won the Pulitzer Prize in 1943. He is perhaps best known for The Jungle , the dramatic exposť of the Chicago meat-packing industry that prompted the investigation by Theodore Roosevelt that culminated in the pure-food legislation of 1906.