Hermann Theodor Simon (german: ˈziːmɔn, lang; 1 January 1870, in

Kirn Kirn is a town in the Bad Kreuznach district in Rheinland-Pfalz, Germany. It is the seat of the ''Verbandsgemeinde'' Kirner Land. Kirn is a middle centre serving an area on the Nahe and in the Hunsrück. Geography Location Kirn lies in a la ...

– 22 December 1918, in

Göttingen Göttingen (, , ; nds, Chöttingen) is a university city in Lower Saxony, central Germany, the capital of the eponymous district. The River Leine runs through it. At the end of 2019, the population was 118,911. General information The ori ...

) was a German

physicist A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate cau ...

Biography

He studied physics at the Universities of

Heidelberg Heidelberg (; Palatine German language, Palatine German: ''Heidlberg'') is a city in the States of Germany, German state of Baden-Württemberg, situated on the river Neckar in south-west Germany. As of the 2016 census, its population was 159,914 ...

and

Berlin Berlin ( , ) is the capital and List of cities in Germany by population, largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's List of cities in the European Union by population within ci ...

, earning his doctorate in 1894 under

August Kundt August Adolf Eduard Eberhard Kundt (; 18 November 183921 May 1894) was a Germans, German physicist. Early life Kundt was born at Schwerin in Mecklenburg. He began his scientific studies at Leipzig, but afterwards went to Berlin University. At fi ...

with a thesis on the dispersion of

ultraviolet radiation Ultraviolet (UV) is a form of electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency around 30 PHz) to 400 nm (750 THz), shorter than that of visible light, but longer than X-rays. UV radiation i ...

. Afterwards, he served as an assistant to

Eilhard Wiedemann Eilhard Ernst Gustav Wiedemann (1 August 1852, in Berlin – 7 January 1928, in Erlangen) was a German physicist and historian of science. He was the son of physicist Gustav Heinrich Wiedemann (1826–1899), and an older brother to Egyptologist Alf ...

Erlangen Erlangen (; East Franconian: ''Erlang'', Bavarian: ''Erlanga'') is a Middle Franconian city in Bavaria, Germany. It is the seat of the administrative district Erlangen-Höchstadt (former administrative district Erlangen), and with 116,062 inhab ...

, obtaining his habilitation in 1896. Two years later, he became an assistant to Eduard Riecke at the

University of Göttingen The University of Göttingen, officially the Georg August University of Göttingen, (german: Georg-August-Universität Göttingen, known informally as Georgia Augusta) is a public research university in the city of Göttingen, Germany. Founded ...

, then relocated to

Frankfurt am Main Frankfurt, officially Frankfurt am Main (; Hessian: , "Frank ford on the Main"), is the most populous city in the German state of Hesse. Its 791,000 inhabitants as of 2022 make it the fifth-most populous city in Germany. Located on its na ...

as director of the physics laboratory. In 1901 he returned to Göttingen as an associate professor and director of the department of

applied electricity Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the l ...

. In 1907 he was appointed as a full professor at the University of Göttingen. With Eduard Riecke, he was editor of the physics journal ''Physikalische Zeitschrift''.

Selected writings

* ''Über Dispersion ultravioletter Strahlen'', 1894 - On dispersion of ultraviolet radiation (graduate thesis). * ''Über ein neues photographisches Photometrierverfahren und seine Anwendung auf die Photometrie des ultravioletten Spektralgebietes'', 1896 - Involving a new photographic photometric method and its application to the

photometry Photometry can refer to: * Photometry (optics), the science of measurement of visible light in terms of its perceived brightness to human vision * Photometry (astronomy), the measurement of the flux or intensity of an astronomical object's electro ...

of the ultraviolet spectral region. * ''Akustische Erscheinungen am electrischen Flammenbogen'', 1898 - Acoustic phenomena at the electric flame arc, Ann. Physik, Vol 300, No 2, pp233-242. * ''Elektrotechnisches Praktikum des Instituts für Angewandte Elektrizität der Universität Göttingen'', 1908 - Electrical engineering internship at the Institute of Applied Electricity, University of Göttingen. * ''Der elektrische lichtbogen: experimentalvortrag auf wunsch des wissenschaftlichen vereins zu Berlin gehalten am 11. januar 1911'', (1911) - The

electric arc An electric arc, or arc discharge, is an electrical breakdown of a gas that produces a prolonged electrical discharge. The current through a normally nonconductive medium such as air produces a plasma; the plasma may produce visible light. An ...

: an experimental lecture.Google Books
(publications)

References

External links

* 1870 births 1918 deaths 20th-century German physicists People from Bad Kreuznach (district) University of Göttingen faculty {{Germany-scientist-stub