William Morris | Morris | Butch Morris | Morris County, New Jersey | William Morris Agency | Richard Morris Hunt | Morris Motors | Morris County | Jan Morris | Morris Minor | Benny Morris | Mark Morris | Jim Morris | Philip Morris USA | Morris Louis | Morris & Co. | James Morris | IEEE Morris N. Liebmann Memorial Award | Morris Levy | Morris Hillquit | Leon Morris | Howard Morris | Gouverneur Morris | Errol Morris | Desmond Morris | William Morris, 1st Viscount Nuffield | Tee Morris | Steven Hirsch | Sarah Morris | Morris Panych |
There is also a quick proof, by Morris Hirsch (indeed by Elon Lages Lima), based on the impossibility of a differentiable retraction.