Term of office: 2025-

• 1990-1994 Study of Economics, Julius-Maximilians-Universität Würzburg
• 1998 Doctorate, Dr. rer. pol, Julius-Maximilians-Universität Würzburg
• 2004 Habilitation, Venia Legendi in Business Administration
• 2000-2008 Lecturer in the Executive MBA programme Business Integration, Julius-Maximilians-Universität Würzburg
• 2004-2005 Deputy Professor of Marketing, University of Kassel
• 2007-2010 Professor of Marketing Management, Steinbeis University Berlin, School of International Business and Entrepreneurship
• 2007-2008 Lectureship International Marketing & Entrepreneurial Marketing, University of Liechtenstein
• 2008-2010 Substitute Professorship for International Management, University of the Federal Armed Forces Munich
• 2010-2025 Professorship for Marketing and Media, Bauhaus-Universität Weimar
• 2014-2022 Vice Rector/Vice President, Bauhaus-Universität Weimar
• 2022-2023 Provisional Head, Bauhaus-Universität Weimar

Term of office: 2015-2025

• 1978-1984 Studied law at the Georg-August-Universität Göttingen
• 1984 First state examination in law
• 1984-1987 Legal clerkship
• 1987 Second state examination in law
• Since 1987 Lawyer
• Since 1992 Specialist lawyer for labour law
• 1992 VNG - Verbundnetz Gas Aktiengesellschaft, Leipzig, authorised signatory
• 1992-2007 Director in various functions at VNG Leipzig
• 2005-2008 Technical Managing Director of Erdgasversorgungsgesellschaft Thüringen-Sachsen mbH (EVG)
• 2007-2015 Member of the Executive Board of VNG - Verbundnetz Gas Aktiengesellschaft, Leipzig

Term of office: 2008-2015

• 1969-1976 studies, incl. research studies, process engineering at the Technical University of Leuna-Merseburg
• from 1971 Freiberg Mining Academy, graduate engineer
• 1976-1978 scientific assistant at Freiberg Mining Academy, scientific field of reaction and fuel technology
• 1978 doctorate as Dr. Ing.Ing.
• 1978-1989 research assistant at the Freiberg Fuel Institute, Research and Development of Fuel Technologies
• 1989-1994 senior employee at Rheinbraun AG in Cologne, Research and Development Department
• from 1994 Professor of Energy Process Engineering and Thermal Residue Treatment at the TU Bergakademie Freiberg, Director of the Institute of Energy Process Engineering and Chemical Engineering
• 2000-2003 Dean of the Faculty of Mechanical, Process and Energy Engineering

Term of office: 2000-2008

• 1972-1976 Studied mechanical engineering at the TH Darmstadt, Dipl.-Ing.
• 1980 Doctorate (Dr.-Ing. at the TH Darmstadt
• 1980-1990 various management positions at Krupp Polysius AG in Neubeckum
• 1990-1993 Managing Director of a subsidiary of the company in Atlanta, USA
• from 1993 Professor of Mechanical Engineering (processing machines) and Director of the Institute for Processing Machines at the TU Bergakademie Freiberg
• 2003-2007 Chairman of the Saxon State University Conference
• 2008 Minister of Finance of the Free State of Saxony

Term of office: 1991-1997

• 1959-1964 studied mathematics at the TU Dresden, graduated in mathematics
• 1964-1969 research assistant at the German Fuel Institute Freiberg
• 1967 doctorate (Dr.-Ing.) at the Bergakademie Freiberg
• 1969-1971 scient. Senior Assistant at the Mathematics Department of the Mining Academy
• 1971-1975 Assistant at the Fuel Institute
• 1976-1990 Lecturer and
• 1990-1992 Associate Professor of Probability Theory and Mathematical Statistics at the Bergakademie
• 1990-1991 Vice-Rector for Education
• 1992-2006 Professor of Applied Stochastics

Term of office: 1988-1991

• 1954-1959 studied mining/civil engineering at the Freiberg Mining Academy, Dipl.-Ing
• 1959-1964 worked at the "Albert Funk" Freiberg Mining and Metallurgy Combine, ultimately as group leader for mining technology
• 1964-1965 assistant/senior assistant at the Institute for Mining Science and Civil Engineering at the Freiberg Mining Academy
• 1969 doctorate (Dr.- Ing.) in Freiberg
• 1965-1980 managerial position at the WTZ Erzbergbau
• and from 1968 at the Mansfeld-Kombinat Eisberg
• .Ing. in Freiberg
• 1965-1980 managerial position at the WTZ Erzbergbau
• and from 1968 at the Mansfeld-Kombinat Eisleben, finally as technical manager at the copper mining plant
• 1980-2000 Professor of Mining Civil Engineering at the TU Bergakademie Freiberg
• 1984-1988 Director of the Geotechnics and Mining Section
• 1991-1993 Director of the Institute of Mining Civil Engineering

Term of office: 1982-1988

• 1949-1954 Studied chemistry at the TH Dresden
• 1954-1958 Scientific assistant at the Institute for Inorganic and Inorganic-Technical Chemistry at the TH Dresden
• 1957 Doctorate (Dr.rer.nat.).
• 1962 habilitation at the TH Leuna-Merseburg
• 1959-1963 and 1964-1975 employment at the TH Leuna-Merseburg as senior assistant, lecturer, professor and finally 1968-1975 rector of the TH
• 1975-1988 Professor of Inorganic and Anorg.technical chemistry and head of the scientific department of the same name at the Freiberg Mining Academy
• 1988-1989 Vice President of the AdW of the GDR
• 1989-1990 Minister of Education of the GDR

Term of office: 1976-1982

• 1948-1952 Studied mining at the Freiberg Mining Academy, Dipl.-Ing.
• 1953-1954 Scientific assistant at the Institute of Opencast Mining at the Mining Academy
• 1954 Doctorate as Dr.-Ing.Ing.
• 1954-1958 initially Production Manager
• from 1956 Technical Director at the Lauchhammer lignite plant
• 1958-1963 Chief Engineer for Mining at the Schwarze Pumpe Combine
• 1962 Habilitation as Dr.-Ing. habil. at the Bergakademie
• 1964-1966 Director of the German Fuel Institute Freiberg
• 1966-1969 Professor of Mining Water Management and Opencast Mining
• 1969-1992 Professor of Opencast Mining at the Bergakademie Freiberg
• 1974-1990 Head of the Scientific Department of Opencast Mining

Term of office: 1970-1976

• 1950-1951 Studied mining at the Freiberg Mining Academy;
• 1951-1956 Mining and civil engineering at the Moscow Mining University, Dipl.-Ing.
• 1956-1959 Worked in coal mining
• 1959-1964 Scientific advisor to the Class for Mining, Metallurgy and Montangeology at the German Academy of Sciences in Berlin
• 1964 Doctorate as Dr.-Ing. at the Bergakademie
• 1964-1966 Head of working group at the Institute for Geodynamics Jena of the AdW, Freiberg branch
• 1966-1968 Institute for Applied Geophysics at the Bergakademie Freiberg
• 1969-1970 Director of Research at the Bergakademie
• 1970-1984 Professor of Geomechanics
• from 1978 Head of the Scientific Department of Geomechanics

Term of office: 1967-1970

• 1948-1951 Studied economics at the University of Leipzig and lecturer course in Eberswalde in the spring semester of 1951, graduated in social sciences and lecturer in basic social science studies
• 1951-1956 Lecturer in the basics of political economy at the Freiberg Mining Academy
• 1955 Doctorate (Dr. oec.) at the University of Leipzig
• 1959 Habilitation at the Freiberg Mining Academy, Dr. oec. habil. oec. at the University of Leipzig
• 1959 Habilitation at the Bergakademie, Dr oec. habil.
• 1959 - 1986 Professorship,
• Professor of Political Economy of Capitalism
• 1960-1968 Director of the Institute of Political Economy (acting since 1957)
• 1968-1981 Head of Scientific Area I of the SBW Section

Term of office: 1965-1967

• 1931-1936 studied ferrous metallurgy at the Freiberg Mining Academy, Dipl.-Ing.
• 1936-1944 works engineer at the steelworks of Klöckner-Werke A.G., Haspe plant in Westphalia
• 1944-1950 various positions, finally
• from 1947 as steelworks manager and later chief engineer at SAG "Marten" Silbitz
• 1950-1956 head of department at Eisen-Forschungsinstitut Hennigsdorf
• 1953 doctorate in engineering at TH Dresden
• .Ing. at the TH Dresden
• 1953 Appointed Honorary Professor of Ferrous Metallurgy at the Humboldt University of Berlin
• 1956-1967 Professor of Ferrous Metallurgy and Director of the Ferrous Metallurgy Institute at the Bergakademie Freiberg

Term of office: 1963-1965

• 1929-1934 Studies specialising in heavy current engineering at the TH Dresden, Dipl.-Ing.
• 1934-1938 scientific assistant at the Institute for Heavy Current and High Voltage Engineering at the TH Dresden
• 1939 doctorate at the TH Dresden
• 1938-1945 test engineer,
• from 1942 head of a test department at Sachsenwerk Niedersedlitz
• 1945-1947 head of the electrical laboratory at the Soviet Construction and Technological Development Office Niedersedlitz
• 1946 habilitation at the TH Dresden
• 1947-1950 imprisonment after conviction by a Soviet military court for failure to comply with a warrant. Military court for non-compliance with an SMA order
• 1950-1974 Professor of Electrical Engineering at the Freiberg Mining Academy and head of the institute of the same name until 1968

Term of office: 1961-1963

• 1920-1925 studied mining at the TH Berlin and the Bergakademie Clausthal, Dipl.Ing.
• 1926-1929 works manager in fluorspar mining at the Hochscheidt trade union, Schwarzenfeld (Upper Palatinate) and
• from 1928 at Th. Burger, Nuremberg-Mögeldorf, Sulzbach an der Donau plant
• 1929-1956 manager in various companies and administrations in the Central German lignite industry, most recently
• 1953-1956 technical manager of the Halle district management in the State Secretariat for Coal, based in Merseburg
• 1956-1963 professor for the organisation of mining operations at the Freiberg Mining Academy
• 1957-1961 dean of the Faculty of Engineering Economics

Term of office: 1959-1961

• 1926 1921 Studies at the Freiberg Mining Academy, Dipl.-Ing.
• 1927-1928 Worked at the Geological Institute of the Freiberg Mining Academy
• 1930 Doctorate as Dr.-Ing.Ing. in Freiberg
• 1928-1939 Worked in Turkey, first as a mining geologist, later at the Institute for Deposit Research at the Turkish Ministry of Economy in Ankara in various positions
• 1939-1946 Mining geologist at the State Deposit Research Centre for Saxony in Ankara
• . Deposit Research Centre for Saxony in Freiberg, which later became part of the Mining Office of the Mining Authority
• 1948-1952 Consultant at the Technical Office of Mining and the Fuel Industry of the State of Saxony in Freiberg
• 1951 Habilitation at the Freiberg Mining Academy
• 1952-1963 initially Professor of Ore Mineralogy
• from 1956 Professor of Ore Mineralogy (re-establishment of this chair) at the Mining Academy
• from 1959 Director of the Institute of Mineralogy and Ore Mineralogy

Term of office: 1957-1959

• 1921-1925 studied at the Freiberg Mining Academy, graduated as an engineer
• 1930 graduated as a Dr. Ing.Ing. at the Bergakademie Clausthal
• 1926-1952 Worked in various lignite plants, most recently
• from 1948 at the Großkayna plant as head of the planning department and deputy chief engineer
• 1953-1967 Professor of Opencast Mining and Director of the Institute of the same name at the Bergakademie Freiberg
• 1955-1957 also Director of the Industrial Institute of the Bergakademie

Term of office: 1955-1957

• 1919-1923 Studied mathematics, physics and natural sciences at the University of Jena
• 1923 Doctorate (Dr phil.).
• 1923-1940 worked at the Reich Institute for Earthquake Research in Jena
• 1928 habilitated as a private lecturer in geophysics at the University of Jena and taught there until 1940
• from 1935 non-civil servant associate professor
• 1939 adjunct professor
• 1940-1946 associate professor and director of the Institute for Geophysics
• 1940-1946 associate professor and director of the Institute for Geophysics
• 1939 adjunct professor
• 1940-1946 associate professor and director of the Institute for Geophysics.o. Professor and Director of the Institute for Applied Geophysics at the Freiberg Mining Academy
• 1945-1947 Research work for the Soviet Technical Bureau for Non-ferrous Metals in Freiberg
• 1947-1950 Advisor to the Yugoslavian Ministry of Mining in Belgrade
• 1951-1966 Professor of Applied Geophysics at the Freiberg Mining Academy and Director of the institute of the same name

Time in office: 1953-1955

• 1924-1929 studied mining at the Freiberg Mining Academy and the Technical Universities of Aachen and Berlin, Dipl.-Ing.
• 1929-1938 assistant, senior assistant and finally senior engineer at the Chair of Mining, Processing and Briquetting Science at the Technical University of Berlin
• 1937 doctorate as Dr. Ing.Ing. in Berlin
• 1938-1943 First scientific assistant at the ore department of the Kaiser Wilhelm Institute for Iron Research in Düsseldorf
• 1943 Habilitation at the TH Aachen
• 1943-1945 Professor of Mining Science and Mineral Processing at the TH Breslau
• 1947-1960 Professor of Mineral Processing and Mining Science at the Freiberg Mining Academy
• From 1955 Head of the newly founded Research Institute for Mineral Processing in Freiberg

Time in office: 1949-1953

• 1929-1934 Studied physics, chemistry, mineralogy and geology at the universities of Freiburg and Giessen
• 1934-1936 Volunteer assistant at the Institute of Physics at the University of Freiburg
• 1936-1939 Assistant at the Institute of Mineralogy at the University of Freiburg
• 1936 Doctorate (Dr. phil. nat.) in Freiburg
• 1939-1943 Research assistant at the Mining Office at the Freiberg Mining Authority
• 1943-1945 in Freiburg
• 1939-1943 Research assistant at the Freiberg Mining Office
• 1943-1945 Establishment and management of the Freiberg mining district research laboratory
• From 1945, research work for the Soviet Technical Office for Non-ferrous Metals in Freiberg
• 1947-1958 Professor of Mineralogy at the Freiberg Mining Academy
• 1958-1960 Honorary Professor at the Mineralogical Institute of the University of Hamburg
• from 1962 Worked at scientific institutions in Nancy

Time in office: 1947-1949

• 1905-1908 studied ferrous metallurgy at the TH Aachen and
• 1908-1911 at the Bergakademie Berlin, Dipl.Ing.
• 1911-1920 Worked in various metallurgical plants
• 1920-1921 Lecturer in technology and metallurgy at Köthen Polytechnic
• 1921-1945 Professor of ferrous metallurgy and foundry science at Wrocław Technical University
• 1946-1953 Professor of ferrous metallurgy and foundry science at Freiberg Mining Academy

Time in office: 1946-1947

• 1920-1925 Studied civil engineering, then mathematics and physics at the TH and the University of Berlin
• 1926-1934 Assistant at the Institute for Applied Mathematics at the TH Berlin
• 1927 Doctorate as Dr.-Ing.
• 1929 Habilitation in pure and applied mathematics at the TH Berlin
• 1934-1935 Deputy professor of civil engineering mechanics at the TH Stuttgart
• 1935-1950 Professor of mathematics and descriptive geometry and director of the Mathematical Institute at the Bergakademie Freiberg
• from 1939 he also held the chair of technical mechanics
• 1945-1950 part-time director of the library of the Bergakademie

Time in office: 1945-1946

• 1920-1924 Studied physics and mathematics at the University of Vienna
• 1924 Doctorate (Dr. phil.), University of Vienna
• 1924-1941 worked for various companies in Vienna
• 1933-1941 after habilitation, part-time private lecturer in applied physics at the TH Vienna
• 1941-1947 at the Freiberg Mining Academy, initially lecturer and head of the Röntgen Institute
• from 1942 adjunct professor of physics
• from 1945 o. Professor of Physics and Director of the Institute of Physics
• 1947-1971 Full Professor of Experimental Physics at the Vienna University of Applied Sciences
• 1958/59 Rector of the Vienna University of Applied Sciences

Time in office: 1944-1945

• 1913-1914 studied at the TH Munich, WS 1918/19 TH Hanover
• 1919-1921 ferrous metallurgy at the Bergakademie Clausthal, Dipl.-Ing.
• 1921-1922 assistant for ferrous metallurgy in Clausthal
• 1922 doctorate as Dr.-Ing, Clausthal
• 1923-1926 Assistant in the iron foundry of the Krupp-Grusonwerk in Magdeburg
• 1926-1945 Worked at the Freiberg Mining Academy, initially as a lecturer in foundry engineering
• From 1927 Associate Professor of Ferrous Metallurgy and Head of the Chair of Foundry Engineering at the Ferrous Metallurgy Institute in Freiberg
• 1940 Appointment as o. Professor of Ferrous Metallurgy, in particular Foundry Science
• From 1942 Director of the newly formed Foundry Institute
• 1950-1963 Worked at the Iron Research Institute in Hennigsdorf, ultimately as Head of Department

Terms of office: 1939-1944

• 1910-1919 Studies at the Freiberg Mining Academy, Dipl.-Ing.
• 1919-1930 worked at Halsbrückner Hütte, ultimately as director from 1924
• 1930-1946 Professor of metallurgy, electrometallurgy and tasting science at the Freiberg Mining Academy
  1940-1945 Dean of the Faculty of Mining and Metallurgy
• 1947-1952 Technical advisor to a lead smelter in southern Serbia
• 1952-1957 Establishment of a research institute in Nuremberg on behalf of the Society for Electrometallurgy, later took over the management of the institute

Time in office: 1937-1939

• 1920-1925 Studied chemistry at the University of Hanover, graduated
• 1927 Doctorate as Dr.- Ing.Ing. at the TH Hannover
• 1926-1933 Assistant at the Chemical Laboratory of the Bergakademie Freiberg
• 1930 Habilitation
• 1933-1934 TH Danzig, Associate Professor
• 1934-1945 Professor of Inorganic Chemistry and Institute Director at the Bergakademie Freiberg

Term of office: 1935-1937

• 1907-1911 Studies at the Freiberg Mining Academy, Dipl.Ing.
• 1912-1913 scientific assistant for geology and deposit theory at the Freiberg Mining Academy
• 1913-1924 worked in various positions in Brád (Transylvania), Constantinople, on the island of Celebes (now Sulawesi, Indonesia) and finally from 1923 back in Brád as a plant engineer in the processing plant of the Ruda 12 Apostles trade union
• 1924-1939 Professor of Mineral Processing and Mining Science at the Freiberg Mining Academy, Director of the Institute of Mineral Processing and Mining Science

Time in office: 1933-1935

• 1902-1905 Studied civil engineering at the TH Stuttgart
• 1905-1908 Studied at the Freiberg Mining Academy, Dipl.-Ing.
• 1910 Doctorate (Dr.-Ing. at the TH Stuttgart
• 1908-1920 Worked in various positions in Germany, Romania and Africa, finally from 1919-1920 as chief engineer at the Hirschfelde state lignite works
• 1920-1946 Professor of Geology and Deposit Theory and Director of the Geological Institute at the Bergakademie Freiberg
• 1940-1945 Head of the Research Centre for Colonial Mining at the Bergakademie
• From 1947 worked in Yugoslavia, Turkey and finally at the University of Bonn, where he retired as Professor of Mineralogy in 1958

Term of office: 1931-1933

• 1887-1893 Studied natural sciences, especially chemistry, at the universities of Munich, Erlangen and Leipzig
• 1893 Doctorate at the University of Leipzig
• 1893-1918 Worked at the TH Dresden
• From 1898 Associate Professor of Inorganic Chemistry
• 1896 Habilitation as Privatdozent in Dresden
• 1918-1935 Professor of Organic Chemistry and Coal Chemistry at the Freiberg Mining Academy

Term of office: 1928-1930

• 1900-1905 Studied civil engineering at the TH Dresden, Dipl.Ing.
• 1905-1912 Worked in the Saxon State Building Service
• 1912-1914 Director of Construction at the Dresden Civil Engineering Office
• 1914-1918 Technical Director at the German Railway Association in Berlin
• 1918-1939 Professor of Technical Mechanics and Civil Engineering at the Freiberg Mining Academy
• 1930-1939 Managing Director of the Society of Friends of the Mining Academy

Term of office: 1926-1928

• 1901-1904 Studied mine surveying and geodesy at the Clausthal Mining Academy, from 1902 at the TH Aachen
• 1905 Licence as mine surveyor from the Oberbergamt Dortmund
• 1905-1907 Worked as a mine surveyor in Lorraine and Westphalia
• 1908-1918 First assistant at the Institute of Mine Surveying at the TH Aachen
• 1913 Doctorate at the University of Giessen
• 1918-1934 Professor of Mine Surveying and Geodesy at the Freiberg Mining Academy

Term of office:1924-1926

• 1891-1896 Studied natural sciences at the Universities of Leipzig and Strasbourg
• 1896 Doctorate at the University of Strasbourg
• 1896/97 Studied electrical engineering at the Zurich Polytechnic
• 1898-1911 Worked at the Institute of Electrical Engineering at the TH Dresden
• 1907 Habilitation as a private lecturer
• 1911-1938, 1947-1950 Professor of Electrical Engineering at the Freiberg Mining Academy
• 1912-1930 also Professor of Physics

Time in office: 1920-1922

1898-1902 Studied mechanical engineering at the TH Dresden, Dipl.-Ing.

1902-1906 Assistant to Prof. Mollier in Dresden

1906 Doctorate as Dr.-Ing.Ing. TH Dresden

1907-1910 Engineer at Friedrich Krupp A.G. in Essen

1910-1918 Professor of Mechanics and Machine Theory at the Freiberg Mining Academy

1918-1949 After separation of Mechanics and renaming of the chair, Professor of Machine Science and Technical Thermodynamics

1923-1933 Chair of the "Academic Committee for Physical Exercise" at the Mining Academy

Terms of office: 1919-1920 and 1930-1931

• 1884-1885 studied physics and 1886-1889 studied chemistry at the Technical University of Munich, graduated
• 1889-1892 lecturer and private assistant in Otto Fischer's laboratory at the University of Erlangen, Doctorate
• 1892/93 studies at the Freiberg Mining Academy
• from 1893 first assistant to Clemens Winkler at the Freiberg Mining Academy
  1896 appointment as associate professor and from 1902 as full professor of chemistry (successor to Clemens Winkler) until 1934

Time in office: 1917-1919

• 1885-1889 studied at the Freiberg Mining Academy, graduated as a metallurgical engineer
• 1890-1902 employed at the Freiberg smelters, where he held various positions in Halsbrücke and Muldenhütten
• 1902-1930 Professor of metallurgy and electrometallurgy, from 1909 also lectured in metallurgical metallurgy
• 1919-1925 Chairman of the Society of German Metallurgists and Miners

Time in office: 1915-1917

• 1878-1882 Studied at the Freiberg Mining Academy, graduated as an ironworks engineer
• 1883-1906 Worked in various steelworks and rolling mills, finally as technical director of Annener (Annen near Dortmund) Gußstahlwerk A.-G.
• 1906-1925 Professor of Ironworks Science and Mechanical Technology at the Freiberg Mining Academy

Terms of office: 1913-1915 and 1922-1923

• 1879-1883 Studied natural sciences at the University of Leipzig
• 1883 Doctorate at the University of Leipzig
• 1883-1884 Studied at the Freiberg Mining Academy
• 1884 Employed as assistant for metallurgy, metallurgy, assaying and solder pipe assaying at the Freiberg Mining Academy
• 1893 Appointment as lecturer and 1896 Professor of assaying and solder pipe assaying
• 1901-1928 Professor of mineralogy and solder pipe assaying, continued to teach solder pipe assaying until 1930

Term of office: 1911-1913

• 1879-1883 Studied natural sciences in Freiburg (only SS 1879) and Leipzig
• 1883 Doctorate at the University of Leipzig
• 1883-1895 Geologist at the Royal Saxon Geological Survey in Leipzig, major contribution to the geological mapping of Saxony
• 1895-1919 Professor of geology, mineral deposits and petrification at the Freiberg Mining Academy

Term of office: 1909-1911

• 1874-1878 Studied at the Freiberg Mining Academy, Diplomas as a mining engineer and mine surveyor
• 1879-1884 Worked in Peruvian mines
• From 1884 back in Freiberg as a mining engineer and mine surveyor
• 1887 Mining office surveyor
• 1887-1892 Director of the Freiberg Mining School
• 1891-1923 Professor of Mining Science and Processing at the Freiberg Mining Academy

Term of office: 1907-1909

• 1858-1863 Studied at the Freiberg Mining Academy, state examination for metallurgists 23 January 1863
• 1863-1868 Worked in various companies in the Freiberg mining district, including from
• 1867 Manager of the arsenic smelter and the pottery factory in Muldenhütten
• 1867 Part-time physics lecturer at the mining academy
• 1868 Appointment as a teacher of physics and descriptive geometry at the Bergakademie
• 1874 Doctorate at the University of Leipzig
• 1875 Awarded the title of professor
• 1881 First lectures on electrical engineering at the Bergakademie
• 1906-1916 Part-time head of the university library, even after his retirement in 1912