Q: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Context : William Howard Livens DSO MC (28 March 1889 -- 1 February 1964) was an engineer, a soldier in the British Army and an inventor particularly known for the design of chemical warfare and flame warfare weapons.
Answer : British Army
A:
To which branch did William Howard Livens belong?