George Martin

Sir George Henry Martin (born 3 January 1926) is an English record producer, arranger, composer, conductor, audio engineer, and musician. He is sometimes referred to as "the Fifth Beatle" in reference to his extensive involvement on each of the Beatles' original albums. He is considered one of the greatest record producers of all time, with 30 number-one hit singles in the United Kingdom and 23 number-one hits in the United States.