Kristen Nygaard (27 August 1926 – 10 August 2002) was a Norwegian computer scientist, programming language pioneer, and politician.
Internationally Nygaard is acknowledged as the co-inventor of object-oriented programming and the programming language Simula with Ole-Johan Dahl in the 1960s.
Nygaard and Dahl received the 2001 A.
M.
Turing Award for their contribution to computer science.