Katherine Johnson was a mathematician whose calculations helped send astronauts into space. Working at NASA during a time of both racial and gender barriers, her work was critical to major missions. Her story shows how powerful math can be in shaping history.

Mae Jemison is an engineer, doctor, and the first Black woman to travel to space. She combined her passions for science and exploration to break barriers at NASA. Her journey shows that you don’t have to fit into one box to succeed in STEM.

Ada Lovelace is often considered the world’s first computer programmer. Long before modern computers existed, she imagined how machines could go beyond simple calculations. Her ideas helped shape the future of computer science.

Marie Curie was a pioneering scientist who made groundbreaking discoveries in physics and chemistry. She was the first woman to win a Nobel Prize and the only person to win in two different sciences. Her work changed how we understand radiation and its uses.