Complex sentence: The collection is extensive, includes many magicians both famous and obscure (it has artifacts from'Milky the Clown' for example) and was personally put together by Bob Lund, who was an obsessed collector of magic artifacts.
Split into simpler sentences: The collection is extensive, includes many magicians both famous and obscure (it has artifacts from'Milky the Clown' for example). All of this was personally put together by Bob Lund, who was an obsessed collector of magic artifacts.