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.