Bernardo Antonio Vittone was an Italian architect and writer. He was one of the three most important Baroque architects active in the Piedmont region of Northern Italy; the other two were Filippo Juvarra and Guarino Guarini. The youngest of the three, Vittone was the only one who was born in Piedmont. He achieved a synthesis of the spatial inventiveness of Juvarra and the engineering ingenuity of Guarini, particularly in the design of his churches, the buildings for which he is best known.

Filippo Juvarra was an Italian architect, scenographer, engraver and goldsmith. He was active in a late-Baroque architecture style, working primarily in Italy, Spain, and Portugal.