Scientists theorize that when mankind encounters extraterrestrials, we'll need to speak to them through the universal language of mathematics and binary code. But is it possible that extraterrestrials have already been communicating with our greatest mathematicians and engineers? Might they have somehow aided them in bringing about the space age and computers?     Ancient Astronaut theorists say yes. As evidence, they point to the true father of the space program, Nikolai Fyodorov, a "Cosmist" who believed that human civilization…