Wiki/BiographyWalter Arlington Latham (March 15, 1860 – November 29, 1952) was an American third baseman in Major League Baseball. He played from 1880 through 1909 for the Buffalo Bisons, St. Louis Browns, Chicago Pirates, Cincinnati Reds, Washington Senators, and New York Giants. He also served as player-manager of the Browns in 1896.Latham stole 129 bases during the 1887 season. After his retirement as a player, he is credited as the first full-time base coach in baseball history. As a player-coach for the 1909 Giants, Latham became the oldest MLB player to steal a base at the age of 49. He then served as a coach and manager in minor league baseball.After retiring from baseball, Latham traveled to Great Britain, where he organized baseball for the soldiers stationed there during World War I, and taught baseball to the British people. He continued to work in baseball as a press box attendant.