Historical clue formulations

• Puppeteer Bil — 2015-11-04
• Puppeteer Bil — 2001-12-23
• Puppeteer Bil — 1998-12-20
• John known as "The Father of Television" — 1998-04-26
• TV pioneer John — 1997-01-25
• Noted name in puppetry — 1995-12-27