1885 - Born on the 2nd of November in Nashville, Mo., U.S.
1911 - Shapley, working with results given by Henry N. Russell, began finding the dimensions of stars in a number of binary systems from measurements of their light variation when they eclipse one another.
1914 - Shapley joined the staff of the Mount Wilson Observatory, Pasadena, California.
1921 - Shapley became professor of astronomy at Harvard University, later director of Harvard College Observatory.
1930 - His works include Star Clusters.
- Flights from Chaos.
1943 - Galaxies.
1952 - He was made director emeritus and Paine Professor of Astronomy at Harvard.
1957 - The Inner Metagalaxy.
1958 - Of Stars and Men.
1972 - Died on the 20th of October in Boulder, Colo.