Costante Tencalla
Costante Tencalla was a Swiss-Italian architect and sculptor.Life
He trained in Rome and spent his early working life there before going to Poland with his uncle Matteo Castelli, who became Poland's first royal architect. On Castelli's death he moved back to Italy to work on buildings in Bissone and Lugano. He then returned to Warsaw as architect to Władysław IV Vasa, who commissioned important buildings from him in Warsaw, Krakov, Leopoli, Gniezno and Vilnius.