Complex sentence: William Earl Johns (February 5 1893-21 June 1968) was an English pilot and writer of adventure stories, who usually wrote under the name Captain W. E. Johns, and is best known as the creator of the ace pilot and adventurer Biggles.
Split into simpler sentences: William Earl Johns (February 5 1893-21 June 1968) was an English pilot and writer of adventure stories, who usually wrote under the name Captain W. E. Johns. He and is best known as the creator of the ace pilot and adventurer Biggles.