PHILIPPE DE CHAMPAIGNE (1602-1674) Portrait of Jacques Lemercier (1644) Oil on canvas (97 x 75 cm) Chateau de Versailles Following a visit to Rome in 1607, Jacques Lemercier (1585-1654) rapidly became one of the most reputed architects in Paris. It was not long before Richelieu engaged him, entrusting him with his main building projects, the most …