A ciência como profiss？o: entrevista com Carlos Chagas Filho

the editing of this interview focuses on aspects of the extensive professional career of carlos chagas filho, who was the founder of the instituto de biofísica of the universidade do brasil, currently the universidade federal do rio de janeiro. it highlights the scientific and political role he played in brazilian science and on the international scene. his memoirs include his experience at the instituto oswaldo cruz, where he began his scientific training; the efforts to create the laboratório de física biológica, succeeded by the instituto de biofísica; his work on the conselho nacional de pesquisas and the academia brasileira de ciências; the part he played at the united nations educational, scientific and cultural organization; his time as president of the pontifical academy of sciences of the vatican, which led him to ponder questions about the relationship between science and religion.