Joel Dinerstein — Why cool matters

What is the definition of 'cool' and why is it essential to social innovation?

Joel Dinerstein is the author and curator of American Cool: a photography and popular culture exhibit at the National Portrait Gallery of the Smithsonian Institution.

Dinerstein has been writing and lecturing on the concept of cool for more than a decade and for 15 years he has taught a course entitled, "The History of Being Cool in America." Joel is the Clark Endowed Chair in American Civilization and the Director of American Studies at Tulane University.