Gilberto Freyre
Gilberto de Mello Freyre (March 15, 1900 – July 18, 1987) was a Brazilian sociologist, anthropologist, historian, writer, painter, journalist and congressman born in Recife. Considered one of the most important sociologists of the 20th century, his best-known work is a sociological treatise named Casa-Grande & Senzala (literally, "The main house and the slave quarters", usually translated into English as The Masters and the Slaves).