This article covers the life and work of Rio de Janeiro-born doctor and journalist, Floriano de Lemos, bringing to light his extensive output as a columnist in the Correio da Manhã newspaper, which had a significant impact on Brazilian history in the first half of the twentieth century. It presents recurring themes discussed by this intellectual - a figure who could be described as multifaceted and modern - as expressed in his column, "Scientific Chronicle", published every Sunday in the newspaper's literary supplement. It also analyzes Lemos's career, highlighting its historical significance not just because of its singularities, but primarily for what it reveals about the intellectual culture at the time.