Answer the following question: 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 .
Answer:
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 .