Alex Miller (possibly December 5, 1912[2] – May 25, 1965),known professionally as Sonny Boy Williamson, was an American blues harmonica player, singer and songwriter, from Mississippi. He is acknowledged as one of the most charismatic and influential blues musicians, with considerable prowess on the harmonica and highly creative songwriting skills. He recorded successfully in the 1950s and 1960s, and had a direct influence on later blues and rock performers.