List of Famous people who born in 1921

Alfred John Plastino was an American comics artist best known as one of the most prolific Superman artists of the 1950s, along with his DC Comics colleague Wayne Boring. Plastino also worked as a comics writer, editor, letterer, and colorist.

Antonio Gelabert Amengual was a Spanish professional road bicycle racer. He became Spanish national champion in 1950 and 1955.

Louis Caput was a French professional racing cyclist and then team manager. He won Paris–Tours in 1948, and two stages of the Tour de France. He was national champion in 1946.

Pierre Samuel was a French mathematician, known for his work in commutative algebra and its applications to algebraic geometry. The two-volume work Commutative Algebra that he wrote with Oscar Zariski is a classic. Other books of his covered projective geometry and algebraic number theory.

James Joseph Daly was an American prelate of the Roman Catholic Church who served as Auxiliary bishop of the Diocese of Rockville Centre, New York from 1977 to 1996.

Julius Rudel was an American opera and orchestra conductor. He was born in Vienna and was a student at the city's Academy of Music. He emigrated to the United States at the age of 17 in 1938 after the country was annexed by Germany.