Possible Clues:

• Name on the cover of ''All Quiet . . .''
• "The Art of Loving" author Fromm
• With 44-Down, author of 'The Art of Loving'
• Bergen of 'Madam Secretary'
• Philosopher Fromm
• __ Maria Remarque, author of "All Quiet on the Western Front"
• Onetime Metropolitan Opera conductor Leinsdorf
• Houdini's real first name
• Oscar-winning composer Korngold
• 'Love Story' novelist Segal