2006 TED Prize winner Cameron Sinclair is co-founder of Architecture for Humanity, a nonprofit that seeks architecture solutions to global crises -- and acts as a conduit between the design community and the world's humanitarian needs.
Mihaly Csikszentmihalyi has contributed pioneering work to our understanding of happiness, creativity, human fulfillment and the notion of "flow" -- a state of heightened focus and immersion in activities such as art, play and work.
Rahul Mehrotra is an architect working in India who focuses on institutional buildings and conservation of historic places. He is also a professor at the Graduate School of Design at Harvard University.
A living legend, Frank Gehry has forged his own language of architecture, creating astonishing buildings all over the world, such as the Guggenheim in Bilbao, the Walt Disney Concert Hall in LA, and Manhattan's new IAC building.