Thomas Kenneth Mattingly II was an American aviator, aeronautical engineer, test pilot, rear admiral in the United States Navy, and astronaut who flew on Apollo 16 and Space Shuttle STS-4 and STS-51-C missions. From Wikipedia
Thomas Mattingly II, renowned for his heroic contributions to Apollo 16 and vital role in the rescue mission for Apollo 13, leaves a legacy of innovation and exploration in U.S. space history.