Why is Norman thargard is famous?

Norman Thagard is famous for being the first American astronaut to fly on a Russian spacecraft. He flew aboard the Soyuz TM-21 in 1995, participating in a long-duration mission aboard the Mir space station. Thagard's mission marked a significant moment in U.S.-Russia collaboration in space exploration following the end of the Cold War. Additionally, he is recognized for his contributions to space science and technology through his various roles in NASA.