Creator	Role
Steve Levitt Steve Levitt is an economist and co-author of the best-selling book, Freakonomic... more	Host
Ellen Langer Dr. Ellen Langer is a professor of Psychology at Harvard University, where she w... more	Guest
Asmeret Asefaw Berhe Asmeret Asefaw Berhe is a researcher, soil biogeochemist, and political ecologis... more	Guest
Dr. Carolyn Bertozzi Dr. Carolyn Bertozzi is a chemist and professor of chemistry at Stanford Univers... more	Guest
Steven Strogatz Steven Strogatz is a mathematician and the Jacob Gould Schurman Professor of App... more	Guest
John List John List is an economist at the University of Chicago.	Guest
Peter Singer Peter Albert David Singer is a moral philosopher, he is the Ira W. DeCamp Profes... more	Guest
Cat Bohannon Cat Bohannon is a researcher, and author with a Ph.D. from Columbia University i... more	Guest
Dr. Cassandra Quave Dr. Cassandra Quave is a medical ethnobotanist and an Associate Professor of Der... more	Guest
Sendhil Mullainathan Sendhil Mullainathan is a professor of Computation and Behavioral Science at the... more	Guest
Dr. Charity Dean Dr. Charity Dean is a public health physician who is known for her work as the A... more	Guest
Sal Khan Salman Khan is an educator and entrepreneur who founded Khan Academy. It is a fr... more	Guest
Jared Diamond Jared Diamond is a geographer, historian, anthropologist, and author best known ... more	Guest
John Green John Green is an author, vlogger, producer, and educator.	Guest
Raj Chetty Raj Chetty is an economist, Professor of Economics at Harvard University, and ad... more	Guest
Brad Gregory Brad Gregory is a Professor of Early Modern European History at the University o... more	Guest
Annie Duke Annie Duke is a professional poker player and author. She holds a World Series o... more	Guest
Arnold Schwarzenegger Arnold Schwarzenegger is a multifaceted public figure, known for his accomplishm... more	Guest
David Helfand David Helfand is an author, astronomer, Chair in the Department of Astronomy at ... more	Guest
Dr. Edward Glaeser Dr. Edward Glaeser is an economist.	Guest