Who was the "king's engineer" to the  King of Portugal, Naples, Sicily and Sardinia and Duke of Milan?
Tibúrcio Spannocchi Tiburzio Spannocchi (1541–1609) (also Spanucchi, Spanochi, Spanoqui, Hispanochi etc.) was "king's engineer" to Philip II of Spain and subsequently to Philip III of Spain. He was named "Chief Engineer" in 1601.
Vittorio Zonca Vittorio Zonca (1568–1603) was an Italian engineer and writer. He wrote the "Theater of machines", which was published in Padua in 1607 four years after his death.