In addition to NVIDIA, RPI graduates have also gone on to found or co-found major companies such as John Wiley and Sons, Texas Instruments, Fairchild Semiconductor, PSINet, MapInfo, Adelphia Communications, Level 3 Communications, Garmin, Bugle Boy and Vacasa. Several RPI graduates have played a part in the U.S. space program: George Low (B.Eng. 1948, M.S. 1950) was manager of the Apollo 11 project and served as president of RPI, and astronauts John L. Swigert, Jr., Richard Mastracchio, Gregory R. Wiseman, and space tourist Dennis Tito are alumni.