Only one man got to fly NASA's X-15 rocket-powered plane & the Space Shuttle

Flying either the rocket-powered X-15 or Space Shuttle would already be pretty impressive, but one man actually flew both.
TMCnet

Planet DDS Declares the Practice Management Era Over and Launches DentalOS®, the Dental ...

Planet DDS today declared the practice management era in dental software over and launched DentalOS ®, the dental enterprise platform built to replace it. DentalOS is not a smarter practice management ...