Max Martin der King.Max-imum exposure: Max Martin co-wrote and co-produced "Save Your Tears" and the Swedish pop titan earns his 24th Hot 100 No. 1 as a writer and 22nd as a producer. Only McCartney (32) and John Lennon (26) have written more Hot 100 No. 1s, while Martin moves to within one of George Martin (23) for the most among producers.