He was born to a prominent colonial family from the Cape Verde Islands, son of José Maria da Costa (b. Lisbon, c. 1870) and wife Elizabeth Savage de Paula Rosa.
Some of his poems and writings were its origins and elements that would create a Cape Verdean review related to anti-colonialism titled Claridade in 1936.
He created the Galeria UP in 1933 which existed up to 1936, it showcased the first expo by Maria Helena Vieira da Silva in Portugal in 1935.
[3] He directed the editorship of the review Variante, he published two editions in 1942 and 1943,[4] he took part in the seminary Mundo Literário (World Literature) from 1946 to 1948.
[5] Pedro paintings show the influence of the great surrealist painters, like Giorgio de Chirico, Max Ernst and Salvador Dalí.