Complex sentence: Newell Convers Wyeth (October 22,1882--October 19,1945), known as N. C. Wyeth, was an American artist and illustrator., he was the star pupil of Howard Pyle and became one of America's greatest illustrators.
Split into simpler sentences: Newell Convers Wyeth (October 22,1882--October 19,1945), known as N. C. Wyeth, was an American artist and illustrator. He was the star pupil of the artist Howard Pyle, and became one of America's greatest illustrators.