After a 17-month battle with pancreatic cancer, Sally Ride, the first U.S. female astronaut passed away on July 23, 2012 in San Diego, California, at the age of 61.
Sally Ride, who joined U.S. space agency NASA in 1978, became in 1983 the first American woman in space as a crew member on Space Shuttle Challenger. She was also the youngest American space traveler at the time. One of her
hobby was stamp collecting.