Possible Clues:

• 'A bit of talcum / Is always walcum' writer
• Charlie, who challenged Jim Watt
• ''Reflections on Ice-Breaking'' poet
• He rhymed 'Bronx' with 'thonx'
• CSNY member
• Comic poet Ogden
• "Who wants my jellyfish? / I'm not sellyfish!" poet
• Maker of Ambassador autos
• "Our House" songwriter
• English architect, d. 1835 — American poet, d. 1971