Alan Alda and Brian Greene on the 2014 World Science Festival
Actor Alan Alda, Muppet scientist, Dr. Bunsen Honeydew, and World Science Festival founder and physicist Brian Greene pose for a photo at the 2008 World Science Festival at NYU.
( Scott Gries / Getty )
( Scott Gries / Getty )
Produced by Ellen Frankman and Mythili Rao
