Henry Louis 'Lou' Gehrig (born Heinrich Ludwig Gehrig; June 19, 1903 – June 2, 1941) was an American professional baseball first baseman who played 17 seasons in Major League Baseball (MLB) for the New York Yankees (1923–1939). He was renowned for his prowess as a hitter and for his durability, which earned him his nickname "the Iron Horse".

He is widely regarded as one of the greatest baseball players of all time. He was an All-Star seven consecutive times, a Triple Crown winner once, an American League (AL) Most Valuable Player twice, and a member of six World Series champion teams. He had a career (.