93 years old (Born on February 19, 1932)
Happy Birthday, Joseph Kerwin! You truly took the phrase "the doctor is in" to astronomical heights. As the first physician selected for astronaut training, you proved that even space travelers need someone reminding them to eat their veggies and get enough sleep—though floating naps probably made your job easier!Your stellar leadership as director of Space and Life Sciences at Johnson Space Center has inspired countless minds. Thanks for showing us all how medicine can boldly go where no doctor had gone before. May your birthday be filled with laughter, joy, and zero-gravity cake slices—just watch out for crumbs orbiting around!