(1878–1968), American novelist and social reformer; full name Upton Beall Sinclair. He agitated for social justice in seventy-nine books, including The Jungle (1906) and the eleven-volume ‘Lanny Budd’ series (1940–53).
Definition of Sinclair, Upton in US English:
Sinclair, Upton
proper nounsinˈkle(ə)r
(1878–1968), US novelist and social reformer; full name Upton Beall Sinclair. He agitated for social justice in 79 books, including The Jungle (1906) and the 11-volume “Lanny Budd” series (1940–53).