Max Martin

The pop producer and songwriter active from the late 90s to today. If you've turned on the radio since around 1998, you've likely heard a song he has either written or produced (or both). He has penned 22 number-one hits, ranking third all-time after Paul McCartney and John Lennon. View his complete songwriting and production credits here and BuzzFeed's compilation of his 18 greatest songs here.