Author of the article here, I encourage you to do so, and share the results!
I started this journey in 2006, doing the same as you, crawling old usenet archives in the newsgroups interface taht groups.google.com provided. Finding the code was troublesome, because I lost track of it, when moving from floppy disks, to different storage systems, until it has finally been preserved on github.
I find it fascinating that your father had a VT220, did he have it at home or in his office. I thought that kind of terminals were more like a thing of labs.
I started this journey in 2006, doing the same as you, crawling old usenet archives in the newsgroups interface taht groups.google.com provided. Finding the code was troublesome, because I lost track of it, when moving from floppy disks, to different storage systems, until it has finally been preserved on github.
I find it fascinating that your father had a VT220, did he have it at home or in his office. I thought that kind of terminals were more like a thing of labs.