Related Clues:

• Keen about
• See 13-Across
• See 41-Across
• Word after bump or jump
• Get ___ shape
• Divider's word
• ''And lead us not ---...''
• Sondheim's ''--- the Woods''
• See 40-Across
• Enthusiastic about
• A fan of
• A student of
• Krakauer's ''--- Thin Air''
• Word with "each life" or "thin air"
• Studying closely