Possible Clues:

• 'The Future Lies Ahead' comedian, 1958
• Comic who declared 'I'm not a liberal, I'm a radical!'
• Comedian who appeared on the cover of Time, 8/15/1960
• Bruce contemporary
• "When I die, I want to still remain active politically" speaker
• Montreal-born comic who wrote jokes for J.F.K.
• Mort ___, comedian
• Wit who recorded the classic 1960 comedy album 'At the Hungry I'
• Mort of stand-up
• Mort ___ (comic and satirist)