On this day in 1931, 2001 #ACMTuringAward recipient Ole-Johan Dahl was born. Ole-Johan Dahl received the ACM Turing Award with Kristen Nygaard for ideas fundamental to the emergence of object-oriented programming, through their design of the programming languages Simula I and Simula 67. \ Today, object-oriented programming is the dominant style of programming for commercial and industrial applications. 🔗 https://amturing.acm.org/award_winners/dahl_6917600.cfm #OTD