The term MITLA PASS AUTHOR is a crossword solution that refers to the U.S. author and poet, Uriah O. Painter, who wrote under the pseudonym 'Uris'. Painter was born in 1876 in Missouri and was a member of the Choctaw Nation. He wrote several books about Native American culture and history, including 'The Trail of Tears' and 'The Last of the Mohicans'. He also wrote poetry and short stories, many of which were published in magazines and newspapers. Painter died in 1951 in Oklahoma.