Complex sentence: These guests are also treated by Professor Adolf Metz, the world's greatest entomologist, who drops by to give Sheridan Whiteside a terrarium filled with 10,000 cockroaches.
Split into simpler sentences: These guests are also treated by Professor Adolf Metz, the world's greatest entomologist. Metz has dropped by to give Sheridan Whiteside a terrarium filled with 10,000 cockroaches.