Otto Perutz

Otto Perutz (27 July 1847,

Teplice Teplice () (until 1948 Teplice-Šanov; german: Teplitz-Schönau or ''Teplitz'') is a city in the Ústí nad Labem Region of the Czech Republic. It has about 49,000 inhabitants. It is the second largest Czech spa town, after Karlovy Vary. The hi ...

, Bohemia – 18 January 1922,

Munich Munich ( ; german: München ; bar, Minga ) is the capital and most populous city of the German state of Bavaria. With a population of 1,558,395 inhabitants as of 31 July 2020, it is the third-largest city in Germany, after Berlin and Ha ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

) was an

Austrian Austrian may refer to: * Austrians, someone from Austria or of Austrian descent ** Someone who is considered an Austrian citizen, see Austrian nationality law * Austrian German dialect * Something associated with the country Austria, for example: ...

German German(s) may refer to: * Germany (of or related to) ** Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe t ...

. From 1872 to 1876, Perutz was director of ''Bayerische Aktiengesellschaft für chemische und landwirtschaftlich-chemische Fabrikate'' (Bavarian Corporation for Chemical and Agrochemical Products Inc., later Süd-Chemie AG) in Munich-Heufeld. In 1880, he founded his own firm ''Otto Perutz Trockenplattenfabrik'' in

. He developed a method for the industrial production of Eosin-Silver-Plates which had been invented by

Hermann Wilhelm Vogel Hermann Wilhelm Vogel (26 March 1834 – 17 December 1898) was a German photochemist and photographer who discovered dye sensitization, which is of great importance to photography. Academic career After finishing school in Frankfurt (Oder), ...

and Johann Baptist Obernetter. This was crucial to develop colour photography. In 1896, ''Perutz-Plates'' were used for

radiography Radiography is an imaging technique using X-rays, gamma rays, or similar ionizing radiation and non-ionizing radiation to view the internal form of an object. Applications of radiography include medical radiography ("diagnostic" and "therapeu ...

for the first time. Perutz sold his firm in 1897. He was member of the supervisory board of ''Bayerische Aktiengesellschaft für chemische und landwirtschaftlich-chemische Fabrikate'' from 1902 until his death in 1922. The ''Perutz-Photowerke'' became part of Agfa in 1964. 1847 births 1922 deaths People from the Austrian Empire 19th-century German chemists Photochemistry People from Teplice 20th-century German chemists {{austria-scientist-stub