While Jobs saw a Smalltalk system during some Xerox PARC visit, the Mac was more influenced by the Xerox Star office system with its GUI, Desktop, Icons, ... h

While Jobs saw a Smalltalk system during some Xerox PARC visit, the Mac was more influenced by the Xerox Star office system with its GUI, Desktop, Icons, ... http://www.digibarn.com/collections/systems/xerox-8010/retrospective-fig1.jpg http://www.digibarn.com/collections/systems/xerox-8010/retro... Compare that with a classical Smalltalk UI: http://research.microsoft.com/en-us/um/people/blampson/38-altosoftware/WebPage_files/image018.jpg http://research.microsoft.com/en-us/um/people/blampson/38-al... The programming language of the Xerox Star system was 'Mesa'. Which was much more like what Apple used: Clascal, Lisa Pascal, and then Object Pascal, ... http://en.wikipedia.org/wiki/Mesa_(programming_language) http://en.wikipedia.org/wiki/Mesa_(programming_language)