Popular Science Monthly/Volume 41/August 1892/Obituary Notes
The death is reported of August Wilhelm Hoffmann, the eminent German chemist, Professor in the University of Berlin, and author of many discoveries that have contributed to the advancement of the science. A sketch and portrait of him were published in The Popular Science Monthly for April, 1884.
Henri Duveyrier, a famous explorer and formerly President of the French Geographical Society, died about the beginning of May. He was born in 1840, and began, when twenty years old, a series of journeys in Algeria which made him famous. They included a reconnaissance to El Golea, where no European had ever set foot; southern Constantine and the Tunisian Soudan; the country of the Tuaregs; and the Chots of southern Tunis.