Diner: "Pardon me, waiter, but what kind of pie it is?"
Waiter: "What does it taste like?"
Diner: "I don't know."
Waiter: "Then what's the difference?"
Edward Charles PickeringBorn 19 Jul 1846; died 3 Feb 1919 at age 72. Edward Charles Pickering, was born Boston, Mass., U.S. physicist and astronomer. After graduating from Harvard, he taught physics for ten years at MIT where he built the first instructional physics laboratory in the United States. At age 30, he directed the Harvard College Observatory for 42 years. His observations were assisted by a staff of women, including Annie Jump Cannon. He introduced the use of the meridian photometer to measure the magnitude of stars, and established the Harvard Photometry (1884), the first great photometric catalog. By establishing a station in Peru (1891) to make the southern photographs, he published the first all-sky photographic map (1903). |
