Upton Sinclair
The Upton Sinclair House is a historic house at 464 N. Myrtle Avenue, Monrovia, California. Built in 1923, it was the home of American novelist Upton Sinclair (1878-1968) between 1942 and 1966, and is where he wrote many of his later works. It was listed on the National Register of Historic Places and was declared a National Historic Landmark in 1971. It is a private residence.