Famous Catholics Contributions - Michelangelo

Can any one tell me what basic contribution Michelanngelo Buonarroti made to the Catholic religion. I know he painted the Sistine Chapel for the Pope but did he make any contributions to the Catholic faith. He is one of the greatest and most popular artists in history. But I really need help with his contribution to the Catholic faith part.

John F Kennedy and contributions to catholoc faith

What contributions did John F Kennedy make that directly affected the catholic faith. Can anyone give me some ideas and or direction. I know he was catholic and that he worked for civil rights. Anything more specific would be helpful.

Divorce

What can you tell me about Divorce in the Catholic religion?