List of Famous people who born in 1909

Dorothy Edith Round, was a British tennis player who was active from the late 1920s until 1950. She achieved her major successes in the 1930s. She won the singles title at Wimbledon in 1934 and 1937, and the singles at the Australian Championships in 1935. She also had success as a mixed doubles player at Wimbledon, winning a total of three titles. After her wedding in 1937, she played under her married name, Mrs D.L. Little. During the Second World War, she played in North America and became a professional coach in Canada and the United States. Post-war, she played in British regional tournaments, coached, and wrote on tennis for newspapers.

Sándor Szalay, Sr. was a pioneer of Hungarian nuclear physics.

Bimal Roy was an Indian film director. He is particularly noted for his realistic and socialistic films such as Do Bigha Zamin, Parineeta, Biraj Bahu, Devdas, Madhumati, Sujata, Parakh and Bandini, making him an important director of Hindi cinema. Inspired by Italian neo-realistic cinema, he made Do Bigha Zamin after watching Vittorio De Sica's Bicycle Thieves (1948). His work is particularly known for his mise en scène which he employed to portray realism. He won a number of awards throughout his career, including eleven Filmfare Awards, two National Film Awards, and the International Prize of the Cannes Film Festival. Madhumati won 9 Filmfare Awards in 1958, a record held for 37 years.

Stephen Cole Kleene was an American mathematician. One of the students of Alonzo Church, Kleene, along with Rózsa Péter, Alan Turing, Emil Post, and others, is best known as a founder of the branch of mathematical logic known as recursion theory, which subsequently helped to provide the foundations of theoretical computer science. Kleene's work grounds the study of computable functions. A number of mathematical concepts are named after him: Kleene hierarchy, Kleene algebra, the Kleene star, Kleene's recursion theorem and the Kleene fixed-point theorem. He also invented regular expressions in 1951 to describe McCulloch-Pitts neural networks, and made significant contributions to the foundations of mathematical intuitionism.

Robert Roswell Palmer, commonly known as R. R. Palmer, was a distinguished American historian at Princeton and Yale universities, who specialized in eighteenth-century France. His most influential work of scholarship, The Age of the Democratic Revolution: A Political History of Europe and America, 1760–1800, examined an age of democratic revolution that swept the Atlantic civilization between 1760 and 1800. He was awarded the Bancroft Prize in History for the first volume. Palmer also achieved distinction as a history text writer.

Jay Blackton was an American composer and conductor. In 1956 he won an Academy Award in the category Best Scoring of a Musical Picture for the film Oklahoma! and was also nominated for Guys and Dolls. He was the music director, orchestrator or arranger for more than 25 Broadway productions and national tours.

Jany Holt was a Romanian-born actress, who worked principally in the French cinema.

Mary Eleanor Jessie Knox née Shepard was an English illustrator of children's books. She is best known for the Mary Poppins stories written by P. L. Travers : "Mary Shepard: Putting Mary Poppins in the picture", The Times of London titled an obituary article,. She used her married name Mary Knox outside the publishing industry.