Famous scientists have made significant contributions to our understanding of the world. For example, Albert Einstein developed the theory of relativity, which changed how we think about space and time. Marie Curie was a pioneer in radioactivity, becoming the first woman to win a Nobel Prize and the only person to win in two different scientific fields: Physics and Chemistry. Other notable scientists include Isaac Newton, who formulated the laws of motion and universal gravitation, and Charles Darwin, known for his theory of evolution through natural selection. Their discoveries have laid the groundwork for many modern scientific advancements.