King Louis XIII had sent the architect Jacques Lemercier to Rome between 1607 and 1614 to study the new style. On his return to France, he designed the Pavillon de l’Horloge of the Louvre Palace (beginning 1626), and, more importantly, the Church of the Sorbonne, the first church dome in Paris. It was designed in 1626, and construction began in 1635. The next important French Baroque project was a much larger dome for the church of Val-de-Grace begun in 1645 by Lemercier and François Mansart, and finished in 1715. A third Baroque dome was soon added for the College of the Four Nations (now the Institut de France).