On April 15, 1947, at Ebbets Field in Brooklyn, N.Y., Jack Roosevelt Robinson, at the age of 28, became the first African American to play for a major-league baseball team since the 1884 season, when Moses Fleetwood "Fleet" Walker played for the Toledo Blue Stockings between May 1 and Sept. 4. (William White, a student at Brown, played one game for the Providence Grays of the National League in 1879, hence technically breaking the color barrier.) Before a crowd of 26,623 spectators (of whom approximately 14,000 are thought to have been black), though he got no hits, Robinson scored a run to contribute to the Dodgers' 5-3 victory over the Boston Braves....