Olga Ross Hannon taught art at the Sheridan, Wyoming, high school before joining the faculty at Montana State College in 1921. She served as head of applied art at MSC from 1941-1947. She served as acting dean of the Division of Household and Applied Arts in 1944-1945. In addition to teaching, she organized Delta Phi Delta, the art honorary at MSC and served as a national president for eight years. Hannon was Montana’s representative on the American Artists Professional League. She was editor of the art section of the MEA. Hannon was a collector of Indian, oriental and Mexican arts and crafts and photographed Native people throughout Montana and other western states. She spearheaded a project for preserving the designs on the painted lodges of the Blackfeet Indians by means of the silkscreen process. – from the Montana State University Library, Merrill G. Burlingame Special Collections description.

Hannon Hall, one of the remaining two all-women's residence halls, was named in honor of Olga Ross Hannon.

Olga Ross Hannon