1921 Man Ray was enlisted to help Marcel Duchamp create his feminine 
   alter ego, named Rrose Selavy€”a  - a bad pun on a rose c'est la vie.
   In one of the photos, another collaborator is present, albeit without the viewer'€™s 
   Francis Picabia'€™s second wife, Germaine Everling, loaned Duchamp not only 
   the hat and fur-lined coat that he wears in the photo but also her dainty hands, 
   which she uses to push the coat's collar around the artist's face while hiding the 
   rest of herself from view.

 1922 Collaborates on first edition La Coeur a barbe
   See wiki -> and    Guardian article ->

   See Timeline