Janna Levin is a professor of physics and astronomy at Barnard, where she studies the early universe, chaos, and black holes. She's the author of “How the Universe Got Its Spots" and the novel “A Madman Dreams of Turing Machines.”
Thomas Dolby has spent his career at the intersection of music and technology. He was an early star on MTV, then moved to Silicon Valley, then went back on the road with his album, "A Map of the Floating City."
Christoph Keplinger aims to fundamentally challenge current limitations of robotic hardware, combining soft matter physics and chemistry with advanced engineering technologies to create a new generation of lifelike robots.
Britain's former prime minister Gordon Brown played a key role in shaping the G20 nations' response to the world's financial crisis, and was a powerful advocate for a coordinated global response to problems such as climate change, poverty and social justice.