Some Wikpedia entries easily gather around themselves several people that in a relatively short time and without much debate produce quite acceptable Wikipedia articles.
My proposition is to start a new page with a link from the Homepage that would organize teams for work on some subjects.
I don't mean just one article, rather more broad subjects like existentialism, art nouveau style, or cytology. These issues require some more thought on design and some planning and some cross-sectional discussion.
Some subjects need such collaboration, like heart? -- I might know something about human heart but vertebrates have differently build heart. I know that but not the details.
So put in the details you know, leave out the ones you don't, and wait for someone to refactor it. Leave a message in the Summary: line, if you want to encourage them. --GWO
Sometimes we need a collaboration across national Wikipedias. Usually national Wikipedias take from the English one but Wikipedians from, for instance, Catalonia can help with entries like Antonio Gaudi. --Kpjas
Why not use <subject>/Talk? or <subject>/Team?? --Yooden
If they don't check /Talk?, they're probably not that interested in collaboration. --Yooden
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