HEINRICH RUBENS was born at Wiesbaden on March 31, 1865, and received his early training at the Realgymnasium at Frankfurt on the Main, where he gained the School Leaving Certificate, equivalent to Matriculation, in March 1884. In the summer term of that year he proceeded to the Technical High School at Darmstadt to take up the study of electro-technics. During the following winter term and the summer term of 1885 he continued his studies at the Technical High School at Charlottenburg, but soon recognised that his ability and interest lay in the domain of pure science, and for this reason he began the study of physics. After spending the winter term (1885–86) at the University of Berlin, Rubens passed on to Strassbourg at Easter of the latter year to work under August Kundt. He followed Kundt to Berlin in May 1888, and obtained his Ph.D. there the year following. His early post-graduate career was spent as Assistent under Kundt at the Physical Institute of the University of Berlin, where he remained until 1896, when he was invited to the Charlottenburg Technical High School, and in 1900 he was officially elected professor at that institution. In the autumn of 1906 he was elected to a full chair of experimental physics at the University of Berlin, and to the directorship of the Physical Institute, which posts he filled during the remainder of his life. He died of leuchmmia on July 17 last.
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L., R. Prof. Heinrich Rubens. Nature 110, 740–741 (1922). https://doi.org/10.1038/110740a0