1. LE BLANC, MAX, (1865–1943) studied in Leipzig, and later became the head of the Physico-Chemical Institute of the Technical University of Karlsruhe, while from 1906 he occupied a similar position at the University of Leipzig. He retired in 1934.
2. Hydrogen Electrode Vessels for Use with Tannery Liquors.
3. HABER, FRITZ, (1868–1934) studied in Berlin. After graduating he became an assistant lecturer at the Technical University of Karlsruhe with Bunte, who was a famous gaschemist. He later succeeded Bunte, and continuing to work in this field he developed his famous ammonia synthesis here. In 1912 he was appointed head of the new Kaiser Wilhelm Institute für Chemie, where he worked until 1933, when he was forced to leave. He emigrated first of all to England where he lived in London, and then to Switzerland, but he did not have any success in either venture and eventually he became penniless. As a result of this hardship he died in 1934. He was awarded the Nobel Prize for Chemistry in 1916.
4. KLEMENSIEWICZ, ZYGMUNT, (1886–1963) was born in Cracow, studied in Lwow and Karlsruhe, worked at the Technical High School in Lwow (Lemberg) and in the Radium Institute, Paris. From 1920 till 1939 he was Professor of Physics at the Technical High School in Lwow, in the second World War he went to England and tanght at the emigrant Polish Polytechnical School. In 1956 he returned to Poland and was Professor of Nuclear Physics at the Technical University in Gliwice.