You can if you’re patient enough. I was able to find Georges-Edouard Berenger to ask him to re-license the source code for Process Controller when others failed. Moreover, some of these people are still registered on the forum and can be contacted quite easily: @axeld, @stippi etc.
I did not propose to submit an article to this particular magazine. Instead, the new article would follow the same structure and cover similar topics as the original one. And it can be published elsewhere.