When Harvard astronomer Helen Sawyer Hogg received her Ph.D. in astronomy in 1931, she collected it not from Harvard University but from nearby Radcliffe College in Cambridge, Massachusetts. The reason? Harvard didn't offer graduate degrees in science to women. Fast forward nearly six decades to Sept. 23, 1989. Dr. Hogg is 84 years old, and the National Museum of Science and Technology in Ottawa is dedicating its astronomical observatory in her name. Read more