Legendary writer Neil Simon had a long list of stage and screen hits to his name, but The Odd Couple remains one of his most famous, with the iconic pairing of Jack Lemmon as fussy Felix and Walter Matthau as slob Oscar making for a memorable and much-loved movie.

Jack Klugman, the prolific, craggy-faced character actor and regular guy who was loved by millions as the messy one in TV’s The Odd Couple and the crime-fighting coroner in Quincy, M.E., died, a son said. He was 90.