Simplify the following text for a Grade 6 native English-speaking person.
Original: An example of late British Academy style artwork , the piece debuted to considerable acclaim ( and secured Waterhouse 's place as a member of the Royal Academy ) , but disappeared into a private collection and did not resurface until the 1970s .
Simplified: It was an example of late British Academy style art , but disappeared and was not found until the 1970s . It is again in the collection of the Royal Academy .