Not one of these 21 revered actors, directors, screenwriters, and songwriters ever received an Oscar in a major competitive category. But they were happy just to be nominated, weren’t they? Back row (with number of nominations in parentheses): John Barrymore (none), William Powell (3), Noël Coward (2), Peter Sellers (3), Glenn Close (6), Ernst Lubitsch (4), George Gershwin (1, posthumously), Arthur Miller (1), Deborah Kerr (6). Middle row: Carole Lombard (1), John Garfield (2), Alfred Hitchcock (5), Stanley Kubrick (13), Marlene Dietrich (1). Front row: Lillian Gish (1), Edward G. Robinson (none), Greta Garbo (3), Peter O’Toole (8), Richard Burton (7), Cary Grant (2), Barbara Stanwyck (4). That’s Katharine Hepburn on the wall, at right; with four Oscars, she is the Academy’s all-time winningest performer. Consolation prizes: Lubitsch, Kerr, Gish,…