Vanity Fair Astronomer - Sir Robert Ball

Popular Astronomy' Vanity Fair portrait of Irish astronomer Sir Robert Stawell Ball (1840-1913). In 1867 he became Professor of Applied Mathematics at the Royal College of Science in Dublin. In 1874 Ball was appointed Royal Astronomer of Ireland and Andrews Professor of Astronomy in the University of Dublin at Dunsink Observatory. In 1892 he was appointed Lowndean Professor of Astronomy and Geometry at Cambridge University at the same time becoming director of the Cambridge Observatory.