Eddie Lee Floyd (born June 25, 1937) is an American R&B and soul singer and songwriter, best known for his work on the Stax record label in the 1960s and 1970s, including the No. 1 R&B hit song "Knock on Wood". At age 16, Floyd founded The Falcons, which also featured Mack Rice. They were forerunners to future Detroit vocal groups such as The Temptations and The Four Tops. Their most