Roger Chaffee - Astronaut, died in a fire on the launch pad while strapped into the Apollo 1 capsule for a test. He posthumously awarded the Congressional Space Medal, Purple Heart and the US Navy Air Medal.
The only thing John Young did not fly into space was the old Mercury capsule. One of the true unsung astronauts of the space program. He was the commander of the first Space Shuttle mission and walked on the moon on Apollo 16