Robert Stawell Ball

Professor
Sir Robert Stawell Ball
Royal Astronomer of Ireland
In office
1874–1892
Preceded byFranz Brünnow
Succeeded byArthur Alcock Rambaut
Personal details
Born(1840-07-01)1 July 1840
Dublin, Ireland
Died25 November 1913(1913-11-25) (aged 73)
Cambridge, England
Alma materTrinity College Dublin
Known forScrew theory
Scientific career
FieldsAstronomy
Mechanics
Mathematics
InstitutionsTrinity College Dublin
Cambridge Observatory and University of Cambridge

Sir Robert Stawell Ball FRS (1 July 1840 – 25 November 1913) was an Irish astronomer who founded the screw theory. He was Royal Astronomer of Ireland at Dunsink Observatory.