Although it is commonly assumed that Bonanno Pisano designed the building, Diotisalvi is more likely to have been the architect, as he created a baptistery that is situated adjacent to the tower and was built in a similar style. Post navigation 15 Most Affordable Cities in the United States Top 10 Little-Known Facts From The Life Of Angelina Jolie 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20