31 March 1933
Auckland, New Zealand
New Zealand citizen

Present Position

Professor Emeritus
Department of Mathematics
The University of Auckland

Research Interests

Numerical methods for the solution of ordinary differential equations


University of New Zealand (Auckland University College), 1952-1955; B.Sc, 1955.
University of New Zealand (Auckland University College), 1955; M.Sc, 1956.
University of Sydney, 1956-1960; Ph.D, 1961.
University of Sydney, 1971, D.Sc, 1971

Positions Held

Lecturer, University of Sydney, 1959-1961.
Senior Lecturer, University of Canterbury, 1961-1964.
Computer Scientist, Stanford Linear Accelerator Center, 1965-1966.
Professor of Mathematics, University of Auckland, 1966-1979.
Head of Mathematics Department, University of Auckland, 1967-1973.
Founded Department of Computer Science, University of Auckland, 1980.
Professor of Computer Science, University of Auckland, 1980-1988.
Professor of Mathematics, University of Auckland, 1989-1998.
Professor Emeritus 1999- .


Elected Fellow, Royal Society of New Zealand, 1980
Life Member, Fellow and Past President New Zealand Mathematical Society
Fellow, Society for Industrial and Applied Mathematics
Australia and New Zealand Industrial and Applied Mathematics


Award for Mathematical Research, NZ Mathematical Society, 1991
For establishing new fundamental connections between analytic stability properties and algebraic properties of numerical methods for non-linear differential equations; for implementing new methods; and for an outstanding monograph on Runge-Kutta and general linear methods.
Hector Memorial Medal, Royal Society Of NZ, 1996
For research in the Numerical Analysis of Differential Equations
Jones Medal, Royal Society of New Zealand, 2010
For lifetime achievement in the Mathematical Sciences
Van Wijngaarden Award, 2011
ONZM, 2013

Visiting Positions and Conferences

August, September - Berlin, Germany; Alexisbad, Germany; Grado, Italy
January, February, March - Troy, New York
April, May - Brisbane, Australia
May, June - Phoenix, Arizona; Toronto, Canada
January - Phoenix, Arizona; Stockholm, Sweden; London, England
March - Stanford, California (Gear conference)
June - Geiranger, Norway; Dundee, Scotland
August, September - São Jose do Rio Preto and Curitiba, Brazil
Porto and Coimbra, Portugal; Valladolid and Zaragoza, Spain
September to December - Rennes, France; Amsterdam, Netherlands; Cambridge, England
July - New Orleans; Atlanta, Georgia
August, September - Phoenix, Arizona; Miskolc, Hungary; Rennes, Marseilles, France
August, September - Brazil (Rio de Janeiro; Uberlandia)
November, December - USA (Lafayette; Phoenix, Arizona; Raleigh, Nth Carolina)
Co-organiser of: "International Conference on Scientific Computation and Differential Equations", Auckland 4-8 January 1993 (in honour of J. C. Butcher's 60th birthday)
University Of Durham - Workshop on numerical methods for evolutionary problems
University of Manchester, England (3 months)
Universiteit te Leiden, Holland. Kloostermann Professor (2 months)
Arizona State University, Phoenix, Arizona (3 months)
Novosibirsk, USSR (by invitation) (2 weeks)
Vienna, Scientific Computation Conference (in honour of H. J. Stetter)
Helsinki conference on Numerical Methods for Ordinary Differential Equations
AT&T Bell Labs, New Jersey (2 months)
Imperial College, London (3 months)
Dortmund, Germany
Linköping, Sweden, visiting Professor (several months)
Bonn, Germany (for a few months)
Dundee, Scotland (8 months)
Vienna, Austria (4 months)
Various British Universities (few days each)
Royal Institute of Technology, Stockholm,Sweden (one week)
Innsbruck, Austria Invited Speaker, 400th anniversary, Universität Innsbruck (one week)
Prof à l'école d'été, Bréau-sans-Nappe, France (3 weeks)