Friedrich Accum, a German chemist, born in Buckeburg, March 29, 1769, died in Berlin, June 28, 1838. In 1793 he went to London, where he was appointed in 1801 professor of chemistry and mineralogy in the Surrey institute. Being accused of purloining books and engravings from the library of the royal institution, he returned to Germany, and in 1822 was appointed professor in the school of industry and the academy of architecture in Berlin. He is known in connection with the introduction of gas lights in London. He wrote "A System of Chemistry" (2 vols., London, 1803), "A Practical Treatise on Gas Lights" (1815), and "On the Adulteration of Food."