Coming from the Peruvian Amazonia, he recreated the landscape of the region and told the stories of everyday people in his writing.
While attending college, he met journalist and activist José Carlos Mariátegui and collaborated with him to bring cultural education to the workers' unions of Lima and Vitarte.
In 1943, he was appointed inspector of education in the province of Maynas and after completing his work, he moved to Lima as director of the Night School No.
As part of his work, together with José María Arguedas, he published the book Peruvian Myths, Legends, and Tales in 1947.
He was a juror for the 1977 Casa de las Américas Prize, as well as president of the National Association of Writers and Artists from 1980 to 1981.