BLONDEL, FRANCIS, regius professor of mathematics and architecture, was employed in several negotiations; arrived at the dignity of maréchal-de-camp and counsellor of state; and had the honour of being chosen to teach the dauphin of France mathematics. He was also made member of the Academy of Sciences at Paris, and director of the Academy of Architecture. He died at Paris in 1688, aged sixty-eight. His principal productions were, 1. Notes on the Architecture of Savot; 2. A Course of Architecture and Mathematics; 3. The Art of Throwing Bombs; 4. A new Manner of Fortifying Places; 5. A Comparison between Pindar and Horace; and other works.