Michael Guillen PhdMichael Guillen is a theoretical physicist and former science correspondent for ABC News. For eight years he was an award-winning physics instructor at Harvard. Dr. Guillen is the president and CEO of Spectacular Science Productions, a ought-after public speaker, and the bestselling author of several books, including two critically acclaimed books for the general public about mathematics: Bridges to Infinity and Five Equations That Changed the World. Read More Read Less