Photo detail

Mike Espy, second from the right, poses in the White House Garden with, from left Charles Bolden, NASA administrator; Cece Poole, a DuPont Challenge finalist; and Leland Melvin, astronaut and associate administrator for education for NASA. Espy placed second in the 2012 DuPont Challenge for an essay highlighting his experiments to create methane gas from agricultural byproducts.


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