that is in fact a very interesting list, although I guess this page[0] is a bit more useful, as it contains "what was invented by whom".
Personally I've always been fascinated by Spurius Carvilius Ruga[1], who invented the single letter "G" for the latin alphabet :)
[0] https://en.wikipedia.org/wiki/List_of_creators_of_writing_sy... [1] https://en.wikipedia.org/wiki/Spurius_Carvilius_Ruga