Sabrina Gonzalez Pasterski, a Cuban-American theoretical physicist, is gaining attention not just for turning down offers from Jeff Bezos and a $1.1 million university position, but for her groundbreaking work in physics. After building and flying her own plane as a teenager, she went on to earn a perfect GPA at MIT and complete a PhD at Harvard. Now at the Perimeter Institute, she is tackling quantum gravity and black holes.