Jean Nicolas Gannal, a French chemist, born in Saarlouis, July 28, 1791, died in Paris in January, 1852. After being employed in a drug shop, he was in 1808 attached as an apothecary to the medical department of the French army, and in 1816 he was the chemical assistant of Thenard in his lectures at the Sor-bonne. He afterward devoted himself to useful inventions and to industrial enterprises connected with them. He invented a new kind of chimney, the first elastic rollers for the printing press, the refining of borax, a new method for melting and hardening tallow employed in making candles, etc. In 1827 he received the Montyon prize from the institute for his system of chloric inhalation for catarrh, He is best known, however, by his process for embalming, for which he received the same prize. It consists in injecting a solution of sulphate of aluminum into the carotid artery.