Two-time Time Man of the Year (and a hint to 17-, 27-, 41- and 54-Across) 5 letters

Crossword clues for Two-time Time Man of the Year (and a hint to 17-, 27-, 41- and 54-Across) 5 letters:

NIXON: Two-time Time Man of the Year (and a hint to 17-, 27-, 41- and 54-Across)