The era of object-oriented programming began some time in mid 1980s. New languages started to appear and one them, Smalltalk, began to be available on the then ubiquitious PC. Smalltalk/V was the version for DOS. It offered a rich set of graphics, fonts, shapes and it was as close to the original Smalltalk as it was possible then. (The “v” in the title meant that it used the memory of the PC in a virtual way, so it seemed that the memory was limitless.) I have programmed in many languages, starting with FORTRAN IV on IBM 360/44 at the university….