Another lost (not missing, just unnoticed) artist whose discovery happened about the same time as Converse is https://en.wikipedia.org/wiki/Sibylle_Baier https:

Another lost (not missing, just unnoticed) artist whose discovery happened about the same time as Converse is https://en.wikipedia.org/wiki/Sibylle_Baier https://en.wikipedia.org/wiki/Sibylle_Baier