(1847) Maria Mitchell identified a new comet speeding across the sky. Her discovery brought her wide acclaim – including a gold medal from the king of Denmark. This remarkable woman was the first female astronomer in America. First she worked for the U.S. Nautical Almanac office, and then, in 1865, became professor of astronomy and director of women, she dedicated her life to teaching. She was the first woman elected to the American Academy of Arts and Sciences.