👉 Christabel is a well-known figure in the history of science and technology. She was an American chemist, inventor, and educator who made significant contributions to the development of various scientific fields during her lifetime. Born on February 29, 1860, in New York City, Christabel attended the University of Pennsylvania but left after only two years due to financial difficulties. After receiving a degree in chemistry from the University of California at Berkeley, she became an assistant professor and then a
