which he researched the reactions of CO and CO2 with other substances under the effect of electric discharge. He published over 200 scientific papers in applied and experimental chemistry. Lozanić performed the first analysis of thermal water of Gamzigrad spa in 1889. He became a member of the Serbian Learned Society (Serbian Academy of Sciences and Arts) on January 30, 1873, associate member of Serbian Royal Academy on January 23, 1888, and became a full member on January 6, 1890. He was a president of Serbian Royal Academy twice - 1899 to 1900 and 1903 to 1906. From 1907 to 1912 he was a president of Serbian Chemistry Society. He was the minister of industry from January 12, 1894, to March 21, 1894, and October 15, 1894, to June 25, 1895, and October 11, 1897, to June 30, 1899, minister of foreign affairs from March 21, 1894, to October 15, 1894, and from December 23, 1902, to March 23, 1903, as well as a diplomat and participant in all wars of the time. Lozanić was the ambassador of the Serbian government in London from 1900. He was a president of Serbian refugee aid committee in 1916 and a head of US mission for aid and support of Serbia from 1917. He was the first honorary doctor of sciences of the University of Belgrade. He died July 7, 1935, in Belgrade, in the age of 89. His son Milivoje S. Lozanić was also a chemist and inherited his university position as the professor of Chemistry. Sima's two daughters, Ana Lozanić Marinković (1882-1973) became a well-known painter and Jelena Lozanić who, like her father, affirmed in humanitarian work and in the battle for women's rights, participated in international congresses in the United States in 1915 as a Serbian Red Cross delegate to enlist aid for her war desolated country. Since the war continued in Serbia, she stayed in America until the year 1920, when she married John Frothingham, the great benefactor to Serbian people. Together with Michael Pupin, Mr. and Mrs. John Frothingham contributed greatly in delivering humanitarian aid. Legacy An exhibition "Sima Lozanić in Serbian science and culture" was held in his honor, organized by Serbian Academy of Sciences and Arts from January to March 1993, in Academy's gallery in Knez Mihailova street in Belgrade. His life and work was especially investigated by chemist Snežana Bojović, who wrote a 262-page book