Ole-Johan Dahl

Updated: 09/15/2017 by Computer Hope

Ole-Johan DahlName: Ole-Johan Dahl

Born: October 12, 1931 in Mandal, Norway

Death: June 29, 2002 (Age: 70)

Computer related contributions

  • Norwegian computer scientist who is considered to be one of the fathers of Simula and object-oriented programming.
  • Produced the initial ideas for object-oriented (OO) programming in the 1960s at the Norwegian Computing Center (NR) as part of the Simula I (1961–1965) and Simula 67 (1965–1968) simulation programming languages.


  • Structured Programming (1972)

Honors and awards

  • IEEE John von Neumann Medal (2002)
  • Turing Award (2001)