Pearl S. Buck (June 26, 1892—March 6, 1973) was an American writer. She lived in China for over 20 of 40 years and wrote about the country. Her book The Good Earth was a bestseller in 1931 and 1932. The book won a Pulitzer Prize in 1932.

She won the 1938 Nobel Prize in Literature for a trilogy of novels about a Chinese farm family and biographies about her missionary parents. When she returned to the United States, she became active in charitable and political causes.