Who is the pilot that broke the speed of sound in 1947 that was interviewed for the book by Tom Wolfe?
The Right Stuff (book): The Right Stuff is a 1979 book by Tom Wolfe about the pilots engaged in U.S. postwar research with experimental rocket-powered, high-speed aircraft as well as documenting the stories of the first Project Mercury astronauts selected for the NASA space program. The Right Stuff (book):  The story contrasts the "Mercury Seven" and their families with test pilots such as Chuck Yeager, who was considered by many contemporaries as the best of them all, but who was never selected as an astronaut. Chuck Yeager: Charles Elwood "Chuck" Yeager ( ; born February 13 , 1923) is a former United States Air Force general officer and record-setting test pilot.
Chuck Yeager