Miss Ahern's Junior School, Malahide
Mountjoy School, Clontarf, Dublin (now Mount Temple School) 1949-1952
St Andrew's College, Ballsbridge, Dublin 1952-1957
BA (Natural Sciences) Trinity College, Dublin, 1961
Trinity College Dublin 1957-61
SM (Physics) Massachusetts Institute of Technology, 1964
PhD (Physics) Massachusetts Institute of Technology, 1968
Research Fellow, MIT, 1968-1969
MIT 1961-69
Research Fellow, Caltech, 1970
Caltech 1970
Royal Greenwich Observatory, 1971-1975
RGO 1970-75
South African Astronomical Observatory, 1975-present
Associate, ESO, 1980-81
Adjunct Professor, James Cook University, Queensland, Australia,
2008-present (so far as I know)
Visitor for various periods at:
University of Arizona, Tucson, AZ, USA
MIT, Cambridge MA, USA
Institut d'Astrophysique, Paris, France
Institute of Astronomy, Cambridge, England
Physical Research Laboratory, Ahmedabad, India
National Astronomical Observatory of Japan (Nobeyama and Mitaka).