Scolese was chosen to succeed Rex Geveden as NASA Associate Administrator at the end of July 2007.
Succeeding Christopher Scolese, Lightfoot became the space agency's acting Associate Administrator on March 5, 2012.
Christopher Columbus | Christopher Walken | Christopher Lee | Christopher Wren | Christopher Plummer | Christopher Reeve | Christopher Lloyd | Christopher Lambert | Christopher Kasparek | Christopher Hogwood | Christopher Marlowe | Christopher Hitchens | Christopher Guest | Christopher | Christopher Tolkien | Christopher Isherwood | John Christopher | Christopher Fry | Christopher Alexander | Christopher Kane | Christopher Hatton | Christopher Banks | Dennis Christopher | Christopher Wordsworth | Christopher Larkin | Christopher Cockerell | Christopher C. Kraft Jr. Mission Control Center | George Christopher | Christopher Wheeldon | Christopher Nolan |