Possible Clues:

• Composer from department in NE France, not married
• Olympic gold-medal swimmer ___ Borg
• "Alfred" and "Judith" composer
• His first opera was 'Rosamund'
• 'Artaxerxes' composer Thomas
• Former Minnesota governor Carlson
• Near-crazy songwriter
• “Comus” composer
• Drury Lane composer of the 1700's
• Some appear never to have heard of this composer