After including Joan Mitchell in your list, how could you forget about Jean-Paul Riopelle..?

In 1959 he began a relationship with the American painter Joan Mitchell. Living together throughout the 1960s, they kept separate homes and studios near Giverny, where Monet had lived. They influenced one another greatly, as much intellectually as artistically, but their relationship was a stormy one, fueled by alcohol. The relationship ended in 1979. His 1992 painting Hommage à Rosa Luxemburg is Riopelle’s tribute to Mitchell, who died that year, and is regarded as a high point of his later work.

http://en.wikipedia.org/wiki/Jean-Paul_Riopelle

Here is a good example of his work:

http://www.mnba.qc.ca/popup.aspx?action=76&id=723&unite=001&langue=en

Regards,

Yves Lalonde