abstract:Charles Kenston Spearman (November 3, 1891 - October, 1970) was an African-American baseball catcher in the Negro Leagues. He played from 1919 to 1929 with the Brooklyn Royal Giants, Cleveland Elites, and Lincoln Giants .
Itwas first describedbyEnglishpsychologistCharlesSpearmanin 1904, and refers to the phenomenon that children who tend to dowellatonesubjectalso tend toexcel at others;