Leland Melvin

When the former Detroit Lion's football career was cut short by an injury, Leland Marvin didn't waste time mourning his broken dream. Instead, he found a new one -- something completely out of this world. He joined NASA, braved an injury that nearly left him permanently deaf, and traveled to space on the shuttle Atlantis to help build the International Space Station. He also found time to write songs with will.i.am, work with Serena Williams, and...