Astronaut Tom Stafford passed away on March 18, 2024 at the age of 94. 

Tom Stafford commanded Apollo 10, the dress rehearsal for the Apollo 11 Moon landing, as well as the Apollo-Soyuz docking with the Russians in 1975. He was selected in the second class of NASA Astronauts and was the Gemini 6A pilot and Gemini 9A commander.

Here is is Wikipedia page: https://en.wikipedia.org/wiki/Thomas_P._Stafford