Complex sentence: The museum, founded in 1912 by the Wilmington Society of the Fine Arts in honor of the artist Howard Pyle, focuses on American art and illustration from the 19th to the 21st century as well as the English Pre-Raphaelite movement of the mid- 19th century.
Split into simpler sentences: The museum, was founded in 1912 by the Wilmington Society of the Fine Arts in honor of the artist Howard Pyle. The collection focuses on American art and illustration from the 19th to the 21st century, and on the English Pre-Raphaelite movement of the mid- 19th century.