Related Clues:

• Historian's concern
• With 31-Across, literary character 'whose beard with age is hoar'
• Elapsed
• Word with hat or school
• We all have one
• Former life
• Familiar
• Hat or maid leader
• Very old
• Fossilized
• Tense situation?
• Word with guard or goat
• The 'O' in G.O.P.
• Past its prime
• Like an octogenarian