Lou Gehrig and John Rawls were two influential figures in American history. Lou Gehrig was a professional baseball player who played for the New York Yankees from 1923 to 1939. He was known as 'The Iron Horse' for his durability and strength, and was inducted into the Baseball Hall of Fame in 1939. John Rawls was an American philosopher and political theorist who is best known for his book A Theory of Justice, which is considered one of the most important works of political philosophy in the 20th century.