Simplify the following text for a Grade 6 native English-speaking person.
Original: Collector is also famous for the controversial sculpture Dreamers Gate by Tony Phantastes built between 1993 and 1997 to commemorate , among other things , his father 's life .
Simplified: Collector is also famous for the sculpture Dreamers Gate by Tony Phantastes . He built it between 1993 and 1997 to as a memorial , among other things , to his father .