Carl Christian Rafn was a Danish historian, translator and antiquarian. His scholarship to a large extent focused on translation of Old Norse literature and related Northern European ancient history. He was also noted for his early advocacy of the recognition of Norse colonization of North America.
Carl Czerny was an Austrian composer, teacher, and pianist of Czech origin whose music spanned the late Classical and early Romantic eras. His vast musical production amounted to over a thousand works and his books of studies for the piano are still widely used in piano teaching. He was one of Ludwig van Beethoven's best-known pupils.
Carl Diem was a German sports administrator, and as Secretary General of the Organizing Committee of the Berlin Olympic Games, the chief organizer of the 1936 Olympic Summer Games.
Carl Djerassi was an Austrian-born Bulgarian-American pharmaceutical chemist, novelist, playwright and co-founder of Djerassi Resident Artists Program with Diane Wood Middlebrook. He is best known for his contribution to the development of oral contraceptive pills, nicknamed the "father of the pill".
Carl Einstein, born Karl Einstein, also known by pseudonym Savine Ree Urian, was an influential German Jewish writer, art historian, anarchist, and critic.
