Possible Clues:

• McKinley and Morgenstern
• In Greek mythology, the brother of Lynceus
• Wells and Lupino
• Author Tarbell et al.
• Eddie Cantor's wife et al.
• Lupino and McKinley
• Wells and Tarbell
• Journalist Tarbell et al
• Mythical Greek who slew Castor
• One of the Argonauts in Greek myth