Please answer the following question: Given the following passage  "Adventurer and poet Luís de Camões (c. 1524–1580) wrote the epic poem "Os Lusíadas" (The Lusiads), with Virgil's Aeneid as his main influence. Modern Portuguese poetry is rooted in neoclassic and contemporary styles, as exemplified by Fernando Pessoa (1888–1935). Modern Portuguese literature is represented by authors such as Almeida Garrett, Camilo Castelo Branco, Eça de Queiroz, Fernando Pessoa, Sophia de Mello Breyner Andresen, António Lobo Antunes and Miguel Torga. Particularly popular and distinguished is José Saramago, recipient of the 1998 Nobel Prize in Literature.",  answer the following question. Note that the answer is present within the text.  Question: In what period did Pessoa work?
A:
Modern