Effa Manley was born on March 27, 1897 in Philadelphia, Pennsylvania. After marrying her second husband, Abe, the two bought the Brooklyn Eagles, a baseball team that played in the Negro National League. The Eagles moved to Newark, New Jersey in 1936. She severed as co-owner and business manager of the Newark Eagles from 1936 to 1948, Manley was noted for running one of the most professional organizations in the Negro leagues. In 2006, she became the first woman inducted into the National Baseball Hall of Fame.In Newark, Manley continued fighting for civil rights and was the treasurer of the Newark, New Jersey chapter of the NAACP.
The Eagles also contributed greatly to Newark, in fact, the Booker T. Washington Community Hospital, which offered training for black doctors and nurses, opened due to the amount of money raised by the Newark Eagles. To honor her contributions in baseball, Manley was elected to the Baseball Hall of Fame in 2006, the first woman given that honor. Manley would pass away on April 16, 1981.