TEDMED 2013 Speakers, photo montage from http://blog.tedmed.com/?p=2507
Top L-R: Christopher J.L. Murray, Susan Desmond-Hellmann, Larry Smarr, Issac (Zak) Kohane, Elazer Edelman; Bottom L-R: Elizabeth Marincola, Deborah Estrin, John Maeda, Sue Austin, Peter Attia