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Heinrich Mache | |
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a.jpg) Heinrich Mache | |
| Born | (1876-04-27)27 April 1876 |
| Died | 1 September 1954(1954-09-01) (aged 78) Vienna, Austria |
| Alma mater | University of Vienna |
| Known for | Mache (unit) |
| Scientific career | |
| Fields | Physicist |
| Institutions | Vienna Academy University of Vienna Technical University Vienna |
| Doctoral advisor | Franz Serafin Exner |
| Other academic advisors | Ludwig Boltzmann |
Heinrich Mache (27 April 1876 – 1 September 1954) was an Austrian physicist. He won theHaitinger Prize of theAustrian Academy of Sciences in 1915.[1]
Born inPrague, after his secondary school studies, Mache completed the first year of physics in Prague, among other things, heard lectures byErnst Mach and in 1894 moved with his family toVienna, where he continued his studies withFranz Serafin Exner and continued withLudwig Boltzmann. He received his doctorate in 1898 working under Exner on the "experimental proof of electrostriction in gases" and worked as a photographic expert during 1900/1901 and participated in the astronomical expedition for theVienna Academy to India. In connection with his research he conducted air electrical measurements on the Red Sea, in Delhi, Ceylon and Upper Egypt. In 1901, hehabilitated at theUniversity of Vienna. In 1906, he was appointed associate professor at theUniversity of Innsbruck, which he left after two years in order accept the position as a professor at theTechnical University Vienna. He was the successor ofFriedrich Hasenöhrl. He died in Vienna.
His wife was the granddaughter of the great geologistEduard Suess.
In 1966 inDonau City (22nd District), Vienna, the Makegasse (Mache Alley) was named in his honor.
His research was mainlyradioactivity,thermodynamics,atmospheric electricity, and the physics of combustion phenomena. He developed withLudwig Flamm a theory of combustion of explosive gas mixtures. Due to his work withradon, the now unusual unitMache was named for describing the activity of radioactive medicinal waters.
Mache continued theZippermayr Group experiments with early Carbon-Oxygen Fuel–air explosives, which SS sought to develop in Austria during the WWII, under the Soviets in late 1945.[2]
TheMache is the amount ofradon in oneliter that will produce a saturation current of 0.001electrostatic unit (ESU) of current and is equivalent to 364pCi L−1.[3] The eman (emanation) unit, used in the 1920s and 1930s, is equivalent to 100pCi L−1.
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