Abstract
ON February 14 the death occurred at Karlsruhe, Baden, of Dr. Hartwig Franzen, extraordinary professor of organic chemistry at the Technical High School. Hartwig Franzen was born on March 21,1878, at Nortorf, Holstein; he studied at Heidelberg, Berlin, and Copenhagen, graduating in 1901 at Heidelberg and becoming a private lecturer in chemistry at that university. His first work was published in collaboration with Th. Curtius, the discoverer of hydrazine and hydrazoic acid (azoimid), whose favourite pupil he was. In 1910 he became extraordinary professor and was called in 1912 to the Technical High School at Karlsruhe as sub-director of the organic chemistry institute. Franzen worked on gas analysis and embodied his results in his “Practicum,” which was published in 1907. He also investigated the hydrazine compounds and problems in the chemistry of fermentation, and the physiology of plants. Many of his publications deal with the, constituents of green plants. Franzen was a well-known investigator and an efficient teacher. His early death leaves a great gap in the ranks of the younger German chemists, and his numerous friends and pupils will faithfully preserve his memory.
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Dr. Hartwig Franzen. Nature 111, 577–578 (1923). https://doi.org/10.1038/111577b0
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DOI: https://doi.org/10.1038/111577b0