Commander Conceição Silva, in uniform, in the company of the President of the Republic Admiral Américo Thomaz, Navy Planetarium, Belém, Lisbon july 20th, 1965.

Commander Conceição Silva, an officer of the Portuguese Navy and amateur astronomer, was the first Director of the Calouste Gulbenkian Planetarium, designation that remained until 2022, starting to designate Navy Planetarium.