> Smalltalk was one of the first Object-Oriented Programming Languages out there. It's where ideas like inheritance and message-passing came from (or at least w

> Smalltalk was one of the first Object-Oriented Programming Languages out there. It's where ideas like inheritance and message-passing came from (or at least where they got popular, from what I understand); It may be worth pointing out that while Smalltalk is arguably one of the key languages that popularized such ideas and other OOP concepts, these were first introduced by Simula 67.