Who was the "king's engineer" to the  King of Portugal, Naples, Sicily and Sardinia and Duke of Milan?
Philip III of Spain Philip III (Spanish: "Felipe" ; 14 April 1578 – 31 March 1621) was King of Spain. He was also, as Philip II, King of Portugal, Naples, Sicily and Sardinia and Duke of Milan.
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.