Biophysicist Luca Turin studies the science of smell. He's the author of Perfumes: The Guide, and the subject of Chandler Burr's 2003 book The Emperor of Scent. His next project: developing an artificial nose.
Nic Marks gathers evidence about what makes us happy, and uses it to promote policy that puts the well-being of people and the planet first. He's the founder of the Centre for Well-Being at the UK think tank New Economics Foundation (NEF).
Maira Kalman's wise, witty drawings have appeared on numberless New Yorker covers, in a dozen children's books, and throughout the pages of the Elements of Style. Her latest book, The Principles of Uncertainty, is the result of a year-long illustrated blog she kept for the New York Times.
After a decade-long conducting career in his native Israel, Itay Talgam has reinvented himself as a "conductor of people" -- in government, academia, business and education. He is the author of The Ignorant Maestro.
Harvard psychologist Dan Gilbert says our beliefs about what will make us happy are often wrong -- a premise he supports with intriguing research, and explains in his accessible and unexpectedly funny book, Stumbling on Happiness.
Benjamin Wallace is a journalist and author of The Billionaire's Vinegar, the true story of the world's most expensive bottle of (possibly phony?) wine. He's been a contributor to GQ, Details, Salon and The Washington Post.
Mihaly Csikszentmihalyi has contributed pioneering work to our understanding of happiness, creativity, human fulfillment and the notion of "flow" -- a state of heightened focus and immersion in activities such as art, play and work.
Caleb Chung dreams up toys that interact with children. He's the inventor of Furby, a talking (and listening) robotic furball that sold some 50 million units in the late '90s. His newest plaything: Pleo the adorable robot dinosaur.
Widely regarded as the world's most influential living psychologist, Daniel Kahneman won the Nobel in Economics for his pioneering work in behavioral economics -- exploring the irrational ways we make decisions about risk.