Complex sentence: Louis Tudda later took over as the store's owner until 1991, when the store was purchased by Robert Ian Kaufelt, who published the 2006 book "The Murray's Cheese Handbook".
Split into simpler sentences: Louis Tudda later took over as the store's owner until 1991, when the store was purchased by Kaufelt. It was for a time owned by Robert Ian Kaufelt, who published the 2006 book "The Murray's Cheese Handbook".