Complex sentence: In 1953, the museum was named in honor of Francis W. Kelsey, a professor at the university who taught from 1889 until his death in 1927 who founded the museum and collected many of the ancient artifacts that form the core of the collection.
Split into simpler sentences: In 1953, the museum was named in honor of Francis W. Kelsey, a professor at the university who taught from 1889 until his death in 1927. Kelsey founded the museum and collected many of the ancient artifacts that form the core of the collection.