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OleJohan

Ole-Johan Dahl (1931–2002) was a Norwegian computer scientist who, together with Kristen Nygaard, created the Simula programming languages in the 1960s at the Norwegian Computing Center and the University of Oslo. Their work emerged from the study of discrete-event simulation and programming language design, and it laid the groundwork for a new approach to software construction.

Simula 67 introduced key object-oriented programming concepts such as classes, objects, inheritance, and dynamic binding. These

Dahl and Nygaard’s contributions to computer science were recognized with the Association for Computing Machinery’s Turing

ideas
formed
the
core
of
what
would
become
object-oriented
programming,
influencing
the
design
of
later
languages
and
approaches
to
software
engineering.
Simula
is
widely
regarded
as
the
first
language
to
implement
and
popularize
object-oriented
programming
concepts.
Award
in
2001,
awarded
for
their
work
on
Simula
and
the
birth
of
object-oriented
programming.
Dahl’s
career
included
activities
as
a
researcher
and
educator
in
Norway,
where
his
work
helped
shape
the
development
of
programming
language
theory
and
education.
His
legacy
persists
in
the
widespread
use
of
object-oriented
principles
in
modern
software
development
and
in
the
ongoing
study
of
programming
language
design.