Fernando Pessoa (1888/1935) is the most universal Portuguese poet. He was also a philosopher, playwright, essayist, translator, publicist, astrologer, inventor, entrepreneur, commercial correspondent, literary critic and political commentator. As a poet, he wrote under diverse personalities. Heteronyms, such as Ricardo Reis, Álvaro de Campos and Alberto Caeiro. These being the object of most studies about his life and work.