Were Upton Sinclair and Daniil Kharms both writers?
Upton Sinclair: Upton Sinclair Jr. (September 20, 1878 – November 25, 1968) was an American writer who wrote nearly one hundred books and other works in several genres. Daniil Kharms: Daniil Kharms (Russian: Дании́л Ива́нович Хармс ; 30 December [O.S. 17 December] 1905  – 2 February 1942) was an early Soviet-era surrealist and absurdist poet, writer and dramatist.
yes