Robert Betts Laughlin (born November 1, 1950) is the Anne T. and Robert M. Bass Professor of Physics[1] and Applied Physics at Stanford University.

Geoffrey Marcy, born 1954 is the Professor of Astronomy, University of California, Berkeley and Adjunct Professor of Physics and Astronomy, San Francisco State University.

P James E Peebles was born in 1935 in Canada. He received his Bachelor of Science degree from the University of Manitoba in 1958.

For discovering that the expansion rate of the universe is accelerating,implying in the simplest interpretation that the energy density of space is non-vanishing even in the absence of any matter and radiation.