Please answer the following question: Facts: - allegiance: england - death date: unknown -lrb- post 1946 ? -rrb- - awards: military cross - birth date: 10 october 1890 - unit: no. , no. 57 squadron rfc 110 squadron rfc , no. 25 squadron rfc - name: alexander roulstone - branch: aviation - birth place: salford , lancashire , england - rank: captain Based on these bullet points, write a short biography describing the life of alexander roulstone .
A:
captain alexander roulstone -lrb- born 10 october 1890 , date of death unknown -rrb- was a world war i flying ace credited with eight aerial victories .he scored his victories , and downed two german aces , while handicapped by flying bombers .