Fibonacci Series Discovered On The Facade Of San Nicola Church In Pisa

PISA, ITALY - SEPTEMBER 22: The Fibonacci sequence discovered on the marble intarsi after eight hundred years by Professor of Petrology at University of Pisa Pietro Armienti is displayed on the facade of the church of San Nicola on September 22, 2015 in Pisa, Italy.The formula of the great Pisan mathematician Leonardo Fibonacci born at the end of 12th century is represented by a series of figures ranging from circles to squares on the marble. This intarsia can be considered as an icon of the medieval roots of modern scientific thought. The studies of Professor Pietro Armienti will be issued on the Journal of Cultural Heritage. (Photo by Laura Lezza/Getty Images)