List of Famous people who born in 1921

Albert Bertelsen was a Danish autodidact painter and graphic artist.

Sidney Rittenberg was an American journalist, scholar, and Chinese linguist who lived in China from 1944 to 1980. He worked closely with Mao Zedong, Zhu De, Zhou Enlai, and other leaders of the Chinese Communist Party (CCP) during the Chinese Communist Revolution, and was with these central Communist leaders at Yan'an. Later, he was imprisoned in solitary confinement, twice. He was the first American citizen to join the CCP.

William Milton Asher was an American television and film producer, film director, and screenwriter. He was one of the most prolific early television directors, producing or directing over two dozen series.

Pierre Galet was a French ampelographer and author who was an influential figure within ampelography in the 20th century and before DNA typing was widely introduced. Beginning in the 1950s, Pierre Galet introduced a system for identifying varieties based on the shape, contours and characteristics of the leaves of the vines, petioles, growing shoots, shoot tips, grape clusters, as well as the colour, size, seed content and flavour of the grapes. The impact and comprehensiveness of his work earned him the consideration as the "father of modern ampelography". He started publishing within ampelography in the 1950s and his Ph.D. thesis was presented in 1967. He has also written popular science books on grape varieties. Galet was active at the École Nationale Supérieure Agronomique de Montpellier.

Mathilde Casadesus (1921–1965) was a French film actress.