Guarino Guarini

Guarino Guarini, born in 1624, was an Italian architect, as well as a mathematician, and theologian. He received most of his teachings in Modena, Italy where he was born. He taught in various locations, going from Modena, to Messina, to Paris, and to Turin. In Turin was where he stayed for the most amount of time. Here, he designed many public and private building including the Royal Church of San Lorenzo (1666-1680), most of the Chapel of the Holy Shroud, which houses the Shroud of Turin, and Palazzo Carignano (1679-1685).

Dome at the Royal Church of San Lorenzo

Shroud of Turn (negative included)

Palazzo Carignano is sometimes considered Guarini's masterpiece design. It used to serve as a private residence of the Princes of Carignano. It is most famous for its rounded facade creating the concave-convex rhythm that had previously been seen in the church of S. Carlo alle Quattro Fontane.

Facade of S. Carlo alle Quattro Fontane (1646)

Facade of Palazzo Carignano (1679)

Sources:

http://www.britannica.com/EBchecked/topic/247951/Guarino-Guarini
http://en.wikipedia.org/wiki/Guarino_Guarini
http://www.math.union.edu/research/student/1998/tolin/history.htm