About Frank Parker
Frank Andrew Parker (born Franciszek Andrzej Pajkowski, January 31, 1916 – July 24, 1997) was an amateur & later professional American male tennis player of Polish immigrant parents who was active in the 1930s and 1940s. He won four Grand Slam singles titles as well as three doubles titles. There he was discovered by the club coach Mercer Beasley who noticed his quickness and accuracy. Aged 12, he won his first national title, the boys' indoor championship played at the Seventh Regiment Armory in New York. In 1933, when he was 17, he won the singles title at the U.S.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.