Lord Martin Rees, one of the world's most eminent astronomers, is an emeritus professor of cosmology and astrophysics at the University of Cambridge and the UK's Astronomer Royal. He is one of our key thinkers on the future of humanity in the cosmos.
The founder of the MIT Media Lab, Nicholas Negroponte pushed the edge of the information revolution as an inventor, thinker and angel investor. He's the driving force behind One Laptop per Child, building computers for children in the developing world.
One of the true luminaries of personal computing, Alan Kay conceived of laptops and graphical interfaces years before they were realized. At XeroxPARC, Apple, HP and Disney, he has developed tools for improving the mind.
Curtis Wong is manager of Next Media Research for Microsoft, whose focus "spans the linear and interactive media spectrum from television, broadband and gaming to emerging media forms." He's a leader on the WorldWide Telescope project.
Patricia Burchat studies the structure and distribution of dark matter and dark energy. These mysterious ingredients can't be measured in conventional ways, yet form a quarter of the mass of our universe.
Richard Baraniuk founded Connexions -- now called OpenStax -- a free, open-source, global clearinghouse of course materials. Students and educators tap into its vast store of texts on everything from engineering to ornithology to music, adapting the content as they see fit.
Creativity expert Sir Ken Robinson challenges the way we're educating our children. He champions a radical rethink of our school systems, to cultivate creativity and acknowledge multiple types of intelligence.