Conversation so far:
What can you tell me about the films development?
The magazine's founder Bob Guccione wanted to produce an explicit adult film within a feature film narrative that had high production values.
What idea did he have in mind?
he decided to produce a film about the rise and fall of the Roman emperor Caligula.
Where was the movie developed?
The men's magazine Penthouse.
why was it developed there?
The magazine's founder Bob Guccione wanted to produce an explicit adult film.
who was part of the movie development?
producer Franco Rossellini, the nephew of filmmaker Roberto Rossellini.
A screenplay was written by.
who wrote the screenplay?
screenplay was written by Lina Wertmuller, but Guccione rejected Wertmuller's script and paid Gore Vidal to write a new screenplay.
why did he reject her script?
CANNOTANSWER.

Question: What else happened during the development?
Self-contained rewrite: What else happened during the development of Caligula besides Lina Wertmuller's transcript rejection?