Emeritus Professor, Monash University

John Newsome Crossley obtained his DPhil in Mathematics at Oxford in 1963, where he subsequently became University Lecturer in Mathematical Logic and a Fellow of All Souls College.
In 1969 he took up a chair in Pure Mathematics (later Logic), at Monash University, Australia, and in 2007 was made Emeritus Professor.
His professional interests are presently in Pure Mathematics, History of Mathematics (especially Chinese Mathematics), Theoretical Computer Science, Thirteenth-century Parisian Music Theory and the early history of Spain and the Philippines c. 1600.
He has published more than 100 scholarly works, including more than twenty books, and has advised more than twenty PhD graduates.


  • –present
    Emeritus Professor , Monash University
  • 1994–2007
    Professor of Logic, Monash University
  • 1969–1994
    Professor of Pure Mathematics, Monash University
  • 1985–1986
    Visiting Fellow, All Souls College, Oxford
  • 1978–1979
    Visiting Fellow , All Souls College, Oxford
  • 1966–1969
    Lecturer in Mathematical Logic and Fellow, All Souls College, Oxford
  • 1963–1966
    Fellow and Tutor in Mathematics, St Catherine's College, Oxford


    University of Oxford, MA Mathematics
    University of Oxford, DPhil in problems with mathematical logic


  • 2011
    Johannes de Grocheio: Ars musice, with C. J. Mews, C. Jeffreys, L. McKinnon, and C. J. Williams, Medieval Institute Publications, Western Michigan University, Kalamazoo
  • 2011
    Hernando de los Ríos Coronel and the Spanish Philippines in the Golden Age, Ashgate, Farnham, England
  • 2007
    Growing ideas of number, Australian Council for Educational Research, Camberwell
  • 1999
    The Nine Chapters on the Mathematical Art, with Sheng Kangshen and A.W.-C. Lun, Oxford University Press and Science Press, Beijing
  • 1972
    What is mathematical logic? with C.J. Ash, C. Brickhill, J.C. Stillwell and N.H. Williams, Oxford University Press, Oxford

Research Areas

  • Mathematical Logic, Set Theory, Lattices And Universal Algebra (010107)
  • Pacific History (Excl. New Zealand And Maori) (210313)
  • European History (Excl. British, Classical Greek And Roman) (210307)
  • History And Philosophy Of Science (Incl. Non Historical Philosophy Of Science) (220206)