“ We thus have a complete series of reports on the progress of chemistry since 1820. It is worthy of note that all the leading chemists of Germany, excepting Liebig, were pupils of Berzelius. Soon after his marriage in 1833, the directors of the Swedish iron works, in acknowledgment of the light his researches had thrown on their art, and of his services to the useful arts of his country, conferred on him a pension for life. ”

“ While thus engaged it was necessary for him to practise medicine for his support, and he even established a manufactory of artificial mineral waters in order to add to his scanty income. The variety of his occupations at this period of his life somewhat interfered with the systematic course of investigation which he subsequently adopted. The tendency of his researches was due to accident; the fashion of the day led him to pursue galvanism, his intimate association with Hisinger suggested mineralogy, and his avocation as a physician naturally brought in physiological chemistry. ”

“ In 1802 he became adjunct professor of medicine in Stockholm, at the same time practising his profession and delivering lectures on chemistry. At this period nearly all the scientific men of the world were attracted by Volta's discoveries to experiment with voltaic electricity, and Berzelius in 1803 published an important paper on the action of electric currents on solutions of salts, in which he first pointed out that combustible bodies, alkalies, and earths went to the negative pole, while oxygen and the acids went to the positive. ”