Historian Donald Sassoon tells Jim Fleming that the Mona Lisa is a great painting, but that other factors conspired to make it an international icon.
Intelligent. Optimistic. Curious.
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Edmund Morris says Theodore Roosevelt was a force of nature - man of towering intellect, boundless physical energy and firm convictions whose greatest achievement as President was his commitment to conservation.
Dan Lamoureux is a self-described dork who produced and directed the documentary film "Nerdcore for Life."
Charles Dwyer on art with his homeless neighbor - Jerry Pfeil.
Daniel Dennett is one of the leading advocates of evolutionary theory and a fierce critic of creationism.
After writer Olivia Laing relocated to New York from England, she quickly discovered how lonely you can feel in crowd. Still reeling after a breakup and struggling to adapt to a new country, she turned to artists like Edward Hopper, Andy Warhol, and David Wojnarowicz to better understand how you can still feel isolated in a city teeming with millions of people.
Eric Booth is one of America's leading teaching artists and trainers of teaching artists.
Biologist Bill Streever is a cryophile – someone who loves the cold.
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