Background
He was born in Verona to Pietro Maderni, a sculptor native to Codilago in the Ticino.
He was born in Verona to Pietro Maderni, a sculptor native to Codilago in the Ticino.
Giovanni Battista studied in the Academy of Fine Arts of Florence. He traveled to Paris, Berlin, London, Netherlands. He made a set of engravings on describing the art and architecture of the Teatro Tordinona in Rome.
He then moved to Street St. Petersburg, and finally to Stockholm.