Colegio Imperial de Madrid (also known as the Colegio Imperial de la Compañía de Jesús or El Colegio de San Pedro y San Pablo de la Compañía de Jesús en la Corte) nowadays Instituto San Isidro, was the name of a Jesuit educational institution in Madrid (Spain).Founded at the end of the 16th century, it received the title of Imperial College due to the patronage of Empress Maria, daughter of Charles V, Holy Roman Emperor and the wife of Maximilian II, Holy Roman Emperor. Philip IV of Spain is considered the founder of the Reales Estudios in 1625. Subjects included theology, philosophy, geography, and the sciences. Source: Wikipedia (en)