The article discusses the life and work of 16th century Portuguese bishop, politician, and humanist Don António Pinheiro. It explains that Pinheiro served Portuguese King John III (João III) in various culture-related capacities, including reformer of the University of Coimbra, educator of princes, and translator of classical texts. The article lists and analyzes his work, dividing it into three categories: Political texts, classical texts, and assorted writings. These works include "Oracão obedencial que recitou no ano de 1562 em nome de D. Sebastião o Doutor Belchior Cornejo no Concilio tridentino," "Tractatus in Psalmus Davidicus," and "Parecer acerca do uso da astrologia."