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.
Fontes Pereira de Melo António Maria de Fontes Pereira de Melo (] ; Lisbon, 8 September 1819 – 22 January 1887) was a Portuguese statesman, politician, and engineer. Historically, he was a very important political figure, deputy, and in several occasions minister, six times Minister of Finance.