Astronaut Thomas Mattingly passed away on Oct 31, 2023 at the age of 87.
A veteran of three space flights, Mattingly has logged 504 hours in space, including 1 hour and 13 minutes of EVA (extravehicular activity) during his Apollo 16 flight. He was the command module pilot on Apollo 16 (April 16-27, 1972), was the spacecraft commander on STS-4 (June 26 to July 4, 1982) and STS 51-C (January 24-27, 1985).
Biographical Data on Thomas https://www.nasa.gov/wp-content/uploads/2016/01/mattingly_thomas.pdf