John F. Kennedy

Everybody knows about this one. The conspiracy, the drama, the fact that people didn't notice that C.S. Lewis died that same day just because of a presidential Assassination. An important part of the musical, and a great story, really, but between you and me I think that Lewis was the more important guy. ;) 

Look, It's our neighbor!

Richard Nixon was actually married at the Mission Inn. 

William McKinley

Has been to the Mission Inn. He was also Assassinated in 1901.