Joseph Sobek
Joseph Sobek (April 5, 1918 – March 27, 1998) was an American professional tennis and handball player, who invented racquetball in 1949; originally called "paddle rackets". Sobek founded the National Paddle Rackets Association in 1952 and was the first person ever to be inducted into the Racquetball Hall of Fame.

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1918 births
1998 deaths
American racquetball players
Sports inventors and innovators
20th-century American inventors
YMCA leaders