John Glenn (astronaut and advocate for healthcare)

John Glenn was a pioneering astronaut and United States senator known for his extraordinary achievements in space exploration and public service. As a NASA astronaut, he was the first American to orbit Earth in 1962 and later became the oldest person to fly in space in 1998 at age 77. Beyond his space career, Glenn actively advocated for healthcare, emphasizing the importance of accessible, quality medical services for all Americans. His leadership combined scientific innovation with a commitment to helping others, making him a respected figure in both aerospace and public health initiatives.