Short answers, pulled from the story.
St John's College, Cambridge was founded by Lady Margaret Beaufort, whose chaplain John Fisher, Bishop of Rochester, carried the plan forward after her death. The college received its royal charter on the 9th of April 1511.
St John's College, Cambridge received its royal charter on the 9th of April 1511. The site had previously held the Hospital of St John the Evangelist, founded around 1200.
The Bridge of Sighs is the covered stone bridge connecting Third Court to New Court at St John's College, Cambridge. It was designed by the architect Henry Hutchinson, and Queen Victoria described it as "so pretty and picturesque."
Members of St John's College, Cambridge have won twelve Nobel Prizes. Winners include Paul Dirac, Frederick Sanger, who won twice, John Cockcroft and Roger Penrose.
St John's College, Cambridge and Trinity College are rivals in sport and academics. Henry VIII founded Trinity after ordering the execution of John Fisher, whose efforts had founded St John's.
The St John's College, Cambridge May Ball is held every year on the Tuesday of May Week. The first ball took place in 1888, and the theme is kept secret until the night itself.