A former NASA astronaut and physicist, George “Pinky” Nelson, is one of two Harvey Mudd alumni to travel into space. From a young age, Nelson was drawn to the night sky and knew he wanted to become an astronomer. That early fascination with space shaped his academic path and eventually led him to Harvey Mudd College, where he discovered a love for flying and developed the skills that would later support his entry into NASA. “I had learned to fly while I was an undergraduate at Harvey Mudd,” he said. “The job [of an astronaut] looked like it combined the three things I was really interested in—space, astronomy, and the intellectual challenge of it all.” Over the course of his NASA career, he flew on three space shuttle missions and became one of the first Americans to perform a spacewalk untethered from a spacecraft.

Nelson has often reflected on the challenges of space travel and the remarkable ways in which humans can adapt to even the harshest environments. Trained not as a test pilot but as a scientist, Nelson represented a new generation of astronauts whose diverse experiences proved essential far beyond the launchpad. From the classrooms of Claremont to the outer reaches of Earth’s orbit, his story reflects a lifelong pursuit of discovery and a commitment to understanding the natural world. Nelson’s career illustrates how curiosity, courage, and a well-rounded education can prepare students to push the boundaries of what is possible.