Lisa Randall is an American theoretical physicist known for her work in particle physics and cosmology. She is a professor at Harvard University and has made significant contributions to the understanding of extra dimensions and dark matter. Randall's research often explores the fundamental forces of nature and the structure of the universe. In addition to her scientific achievements, Lisa Randall is also an accomplished author. She has written several popular science books, including "Warped Passages" and "Knocking on Heaven's Door," which aim to make complex scientific concepts accessible to the general public. Her work has earned her recognition as one of the leading scientists in her field.