Complex sentence: Second Lieutenant Leslie Simpson Court (1897--10 December 1918) was a British World War I flying ace credited with eight aerial victories, gained while serving as an observer/gunner in No.25 Squadron, Royal Flying Corps.
Split into simpler sentences: Second Lieutenant Leslie Simpson Court (1897--10 December 1918) was a British World War I flying aces. He was credited with eight aerial victories, gained while serving as an observer/gunner in No.25 Squadron, Royal Flying Corps.