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Jack of game-show lore
Else clues• '60s quizmaster Jack
• '70s Concentration host Jack
• Jack of game-show lore
• Jack who hosted the 1950's game show Dotto
• Onetime Concentration host Jack
• '60s quizmaster Jack
• '70s Concentration host Jack
• Jack who hosted the 1950's game show Dotto
• Onetime Concentration host Jack