Here is his Smalltalk-72 implementation on the Alto/Nova emulator on the LivelyWeb! https://lively-web.org/users/Dan/ALTO-Smalltalk-72.html https://lively-web.

Here is his Smalltalk-72 implementation on the Alto/Nova emulator on the LivelyWeb! https://lively-web.org/users/Dan/ALTO-Smalltalk-72.html https://lively-web.org/users/Dan/ALTO-Smalltalk-72.html