This artist produced a “Green Box” of notes for an artwork in which male figures are connected to a chocolate grinder and water wheel. Visitors look through a peephole to see a headless nude raising a lamp (10[1])in a piece this person created 25 years after quitting art for chess. This artist left broken glass in a window-like piece split between nine suitors (10[1])and a bride. A 1912 painting by this artist was dubbed an “explosion in a shingle (10[1])factory” for depicting a nude (10[1])from several perspectives as she (-5[1])descends a staircase. (10[1]-5[2])A snow shovel is one of many found objects modified by this artist, including one signed “R. Mutt.” (10[2]-5[1])For 10 points, name this Dada artist whose readymade Fountain is a repurposed toilet. ■END■ (10[3]0[1])