Get ready to meet a woman who dreamed big, worked hard, and helped send astronauts to the moon! That woman was Margaret Hamilton, a NASA scientist who loved math from an early age and who used her math skills to write computer code that was essential to many NASA missions. Margaret serves as an example to young girls everywhere that girls and women can be math geniuses just like boys and men, and can use their skills to advance science and make an impact on our world.