For 10 points, name this third wife of Max Ernst and member of a Jewish American family of art collectors that included her uncle, Solomon R.
The "Daylight Gallery" supplemented this person's collection in a gallery than ran for five years on West 57th Street, a collaboration with Frederick Kiesler. After commissioning Pollock's Mural, this owner of the Art of This Century Gallery donated the work to the University of Iowa. Max Ernst's The Robing of the Bride and Jean Metzinger's Au Vélodrome are on display at the Palazzo Venier dei Leoni, which was once home to and is more commonly named for this person. Alexander Calder created a silver bedhead with curling tendrils, fish, and flowers for this person, who wore earrings designed for her by both Calder and Yves Tanguy to show (*) simultaneously her dedication to both abstract art and surreal art. A museum named for this woman has a terrace that overlooks the Grand Canal and houses the U.S. pavilion at the Venice Biennale. For 10 points, name this third wife of Max Ernst and member of a Jewish American family of art collectors that included her uncle, Solomon R.
The "Daylight Gallery" supplemented this person's collection in a gallery than ran for five years on West 57th Street, a collaboration with Frederick Kiesler.
Peggy Guggenheim [or Marguerite Guggenheim; prompt on Guggenheim]