Q:Facts:   - death place: michigan june 2015 , usa obituary or other news source required    - caption: rollo last surviving members of the 1919-1923 coalition -lrb- at right -rrb- in 1955 , with    - successor: arthur campbell garden forbes elliott godfrey    - restingplace: woodland cemetery , hamilton    - death date: 13 march 1957    - predecessor: john allan new office    - office: mpp for hamilton west minister of labour for ontario    - party: labour party of canada    - spouse: margaret bell    - term end: october 5 , 1923 july 16 , 1923      - term start: october 20 , 1919 november 14 , 1919    - birth date: 25 november 1875    - name: walter ritchie rollo    - nationality: canadian    - image: last ministers ufo 1955.jpg    - birth place: linlithgowshire , scotland    - restingplacecoordinates: section 23 w 1/2 , 43.286312 -79.881421 inline   Based on these bullet points, write a short biography describing the life of walter ritchie rollo .
A:
walter ritchie rollo -lrb- -rrb- was a canadian trade unionist and politician in the early 20th century , and was a cabinet minister in the united farmers of ontario - labour coalition government from 1919 to 1923 .