Related Clues:

• Jack of 50's-60's TV
• Young salmon
• Henry VIII's sixth
• Henry VIII's VIth
• Catherine who survived Henry VIII
• Carson's predecessor at NBC
• One of Henry VIII's six
• Taking the place (of)
• 'I Kid You Not' autobiographer
• Catherine ___, wife of Henry VIII
• Onetime late-night host Jack
• Pioneer talk show host
• See 6-Across
• Punnily titled 1952 quiz show 'Up to ___'
• Late-night pioneer