July 20, 1969—the day humanity carved its mark on the sands of the cosmos by setting foot on the moon. It was truly a remarkable moment adored by people all over the world. And as Neil Armstrong put it, it was « one small step for man, one giant leap for mankind. » But there was more to this leap and the man who took it than many people realized. In fact, Neil Armstrong kept quite a number of secrets until his death.