• 2025 to 2027 (together with Dennis Hormuth from the University Archives Hamburg) Implementation of the archival research project "Rechtebewehrtes Kleinschrifttum in Archiven. Archival cataloguing, rights clearance and provision of (partially) anonymous, out-of-print and non-commercial works using the example of small publications from the student context" as part of the DFG pilot funding phase "Digitisation and provision of (still) rights-protected objects"
  
• since Oct. 2023 Master's programme in Archival Science at the Department of Information Sciences at the FH Potsdam
  
• since Apr. 2023 Member of the Board of the Friends and Sponsors of the Oldenburg City Museum
  
• since Dec. 2022 Head of the University Archive at the University of Oldenburg
  
• since Oct. 2022 Lecturer at the Institute of History at the University of Oldenburg
  
• 2022 to 2024 Editor of the essay section of the journal of the Association for Hamburg History
  
• 2021/22 Research assistant in the oral history project "Remembered Oldenburg University History - Contemporary Witnesses Report on the Early Decades of the Carl von Ossietzky University" on the occasion of the 50th anniversary of the University of Oldenburg (2023/24), University Archives at BIS
  
• 2021 to 2025 Deputy Chair of the Historical Club of the Friends of the Department of History at the University of Hamburg
  
• Nov./Dec. 2020 Publication project for the 100th anniversary of the Hamburg Constitution of 1921, Hamburg State Centre for Political Education
  
• 2020 to 2024 Associate research assistant and co-editor in the research and publication project "100 Years of the University of Hamburg", University of Hamburg, Centre for University History
  
• 2020 to 2023 Editorial support for the thematic focus "Contemporary History of the Right" on zeitgeschichte-online.de
  
• Jan. 2018 Doctorate in Medieval and Modern History at the University of Hamburg (magna cum laude); dissertation on "Bürgerliche Geschichtswelten in einer modernen Metropole. The Association for Hamburg History in the Years 1912 to 1974" (Supervision: Prof. Dr Dr Rainer Hering and Prof. Dr Franklin Kopitzsch)
  
• 2017 to 2020 Research assistant and co-editor in the research and publication project "100 Years of the University of Hamburg", University of Hamburg, Centre for University History
  
• 2017 to 2019 Coordination of the five-semester lecture series "100 Years of the University of Hamburg", University of Hamburg, Centre for University History
  
• 2017 to 2021 Lecturer at the Hamburg branch of Smith College (Northampton/USA)
  
• 2017 to 2022 Organisation of the lecture programme of the Association for Hamburg History
  
• 2016 Research assistant in the editing project of the letters of the historian Erich Marcks to Hamburg's Senator for Science and Mayor Werner von Melle from 1899 to 1933, University of Hamburg, Centre for Hamburg History
  
• 2015 to 2025 Member of the board of the Association for Hamburg History
  
• 2011 to 2019 Coordination of the lecture series "Junge Hamburger Geschichtswissenschaft"
  
• 2010 to 2012 Research assistant in the research and publication project "Hamburgische Biografie. Personenlexikon", University of Hamburg, Centre for Hamburg History
  
• 2006 to 2017 Multimedia assistant, tagesschau.de editorial team, Norddeutscher Rundfunk, Hamburg

Research focus:

• Educational, academic and university history of the 20th century (with a focus on historiography and student history as well as university history from the 1960s onwards)
• Cultures of memory and remembrance
• Social and cultural history of the middle classes
• Urban history of Hamburg in the modern era

Ongoing projects:

Remembering Oldenburg's university history - contemporary witnesses report on the early decades of the University of Oldenburg

100 years of the University of Hamburg (1919-2019)

Reforms to facilitate university access for working-class children in the Weimar Republic

Edition of the letters from the historian Erich Marcks to Hamburg's Senator for Science and Mayor Werner von Melle from 1899 to 1933

Monographs

Bourgeois historical worlds under National Socialism. The Association for Hamburg History between Perseverance and Self-Mobilisation (Contributions to the History of Hamburg, vol. 67). Göttingen 2019.

Bourgeois historical worlds in a modern metropolis. The Association for Hamburg History in the Years 1912 to 1974. Hamburg 2018; ediss.sub.uni-hamburg.de/volltexte/2018/9224.

Editorship

(ed. with Rainer Nicolaysen and Eckart Krause) 100 Years of the University of Hamburg. Studies on the History of Hamburg University and Science in Four Volumes. Vol. 4: Mathematics, Computing Science, Natural Sciences, Medicine. Göttingen 2024.

(ed. with Karen Bruhn) Universitätskultur(en) jenseits der Fachgeschichte - Zeitgeschichtliche Betrachtungen zum Kieler Historischen Seminar (Kieler Studien zur Universitäts- und Wissenschaftsgeschichte, vol. 3). Kiel 2023[Link].

(ed. with Rainer Nicolaysen and Eckart Krause) 100 Years of the University of Hamburg. Studies on the History of Hamburg University and Science in four volumes. Vol. 3: Education, Social Sciences, Economics, Law. Göttingen 2022.

The Constitution of the Free and Hanseatic City of Hamburg of 7 January 1921. Introduced and explained by Gunnar B. Zimmermann and Franklin Kopitzsch. Hamburg 2021.

(ed. with Rainer Nicolaysen and Eckart Krause) 100 Years of the University of Hamburg. Studies on the History of Hamburg University and Science in Four Volumes. Vol. 2: Humanities, theology, psychology. Göttingen 2021.

(ed. with Rainer Nicolaysen and Eckart Krause) 100 Years of the University of Hamburg. Studies on the History of Hamburg University and Science in Four Volumes. Vol. 1: General aspects and developments. Göttingen 2020.

Essays and smaller contributions

(with Dennis Hormuth) Student micro-publications in archive records and the shifting limits of their usability. In: ARCHIV. theorie & praxis 78 (2025), 3, pp. 241-243.

(with Dennis Hormuth) Student micro-publications in archive preservation education. Project funding by the German Research Foundation. In: Universities - History - Sources (18 February 2025). URL: https://uniquellen.hypotheses.org/1052 (last accessed on 18.2.2025).

(with Karolin Bubke) Content instead of metadata: Students at Hanover University of Applied Sciences and Arts as "science to public" bloggers for the University Archives Oldenburg. In: Archive News Lower Saxony. Announcements from Lower Saxony's archives 28 (2024), pp. 105-109.

German historical societies during the National Socialist era and in the first post-war years. A thematic exploration using the example of the Verein für Hamburgische Geschichte. In: Blätter für deutsche Landesgeschichte 158 (2023), pp. 321-340.

(with Martin Göllnitz) In the Shadow of University History. A research outline on the historiography of students in the interwar period. In: University registers. University enrolment records in archival transmission and digital presentation (Schriftenreihe des Universitätsarchivs Hamburg, vol. 1). Edited by Dennis Hormuth. Stuttgart 2023, pp. 23-55.

The Hamburg workers' baccalaureate courses of 1923 and 1927: an educational policy impulse with long-term effects. In: Education and Democracy in the Weimar Republic (Weimarer Schriften zur Republik, vol. 19). Edited by Andreas Braune, Sebastian Elsbach and Ronny Noack. Stuttgart 2022, pp. 3-15.

(with Rainer Nicolaysen and Eckart Krause) Introduction. In: 100 years of the University of Hamburg. Studies on the History of Hamburg University and Science. Vol. 3: Educational science, social sciences, economics, Law. Edited by Rainer Nicolaysen, Eckart Krause and Gunnar B. Zimmermann. Göttingen 2022, pp. 7-18.

In the service of Nazi cultural policy. The Museum of Hamburg History from 1933 to 1945. In: 100 Years of the Museum of Hamburg History. 1922 to 2022. ed. by Hans-Jörg Czech and Bettina Probst. Hamburg/Dresden 2022, pp. 94-101.

(with Franklin Kopitzsch) How Hamburg residents experienced the revolution of 1918/19. Individual interpretations in personal testimonies. In: Hamburg in der Novemberrevolution 1918/19. Dynamiken der politischen und gesellschaftlichen Transformation in der urbanen Metropole (Gender, Diversity and Culture in History and Politics, vol. 2). Edited by Johanna Meyer-Lenz, Franklin Kopitzsch and Markus Hedrich. Bielefeld 2022, pp. 375-392.

(with Franklin Kopitzsch) The Hamburg Constitution of 1921: Democratic Awakening and a New Spirit in the Weimar Republic. In: The Constitution of the Free and Hanseatic City of Hamburg of 7 January 1921. Introduced and explained by Gunnar B. Zimmermann and Franklin Kopitzsch. Hamburg 2021, pp. 6-19.

(with Rainer Nicolaysen and Eckart Krause) Introduction. In: 100 years of the University of Hamburg. Studies on the History of Hamburg University and Science. Vol. 2: Humanities, theology, psychology. Edited by Rainer Nicolaysen, Eckart Krause and Gunnar B. Zimmermann. Göttingen 2021, pp. 9-20.

Counter-anniversaries to West German university anniversaries of the 1960s to 1990s as alternative commemorative offerings between protest and academic claim In: Inszenierte Geschichte. Mediality and Politics of European University Anniversaries from 1850 to the Present (Media of History, vol. 5). Edited by Anton F. Guhl and Gisela Hürlimann. Berlin/Boston 2021, pp. 223-244 [peer reviewed].

Intrigue, Suspension and Forced Administration. Reactions of the Hamburg student body to the Higher Education Act of 1921. In: Journal of the Association for Hamburg History 107 (2021), pp. 85-109.

Traditional fields of action of historical societies as paths into the future. In: Sächsische Heimatblätter, issue 1, 2021, pp. 101-103.

(with Rainer Nicolaysen and Eckart Krause) Introduction. In: 100 years of the University of Hamburg. Studies on the History of Hamburg University and Science. Vol. 1: General aspects and developments. Edited by dens. Göttingen 2020, pp. 9-30.

Between a Greater German Mission and a Grassroots Democratic Defence Struggle. Approaches to a student history of the University of Hamburg from its foundation in 1919 to 1994. in: 100 Jahre Universität Hamburg. Studies on the History of Hamburg University and Science. Vol. 1: General aspects and developments. Edited by Rainer Nicolaysen, Eckart Krause and Gunnar B. Zimmermann. Göttingen 2020, pp. 252-306.

The double founding idea. On the emergence of the University of Hamburg between bourgeois-academic elite consciousness and democratic reform aspirations. In: University for all? On the founding history of the University of Hamburg. Edited by Nils Steffen and Benjamin Roers. Hamburg 2019, pp. 11-17.

(with Franklin Kopitzsch) The revolution of 1918/19 in Hamburg testimonies. In: Revolution! Revolution? Hamburg 1918/19. ed. by Hans-Jörg Czech, Olaf Matthes and Ortwin Pelc. In collaboration with the Verein für Hamburgische Geschichte. Kiel/Hamburg 2018, pp. 310-317.

The influence of academic networks on the organisation of science under National Socialism. Paul Johansen's academic appointment to the History Department of the Hanseatic University in 1940/41. In: Gelebte Universitätsgeschichte. The results of recent research. Eckart Krause on his 70th birthday (Hamburger Beiträge zur Wissenschaftsgeschichte, Sonderbd.). Edited by Anton F. Guhl, Malte Habscheidt and Alexandra Jaeger. Berlin/Hamburg 2013, pp. 145-161.

(with Claudia Kemper and Thorsten Logge, among others) Das "Geschichtsbureau" - Kompetenzwerkstatt für das historische Seminar der Universität Hamburg. In: Competence orientation in university teaching. Subject-related and interdisciplinary teaching innovations (PAradigma. Beiträge aus Forschung und Lehre aus dem Zentrum für Lehrerbildung, Fach- und Hochschuldidaktik 2011/2012). Edited by Ulrike Senger. Passau 2012, pp. 272-293.

"The obligation to serve the national community becomes more and more conscious". The exhibition practice of the Hamburg State and University Library during the National Socialist era. In: Information. Journal for Library, Archive and Information in Northern Germany 31 (2011), pp. 53-72.

Complementary Spaces of Identity - Regional Historical Landscapes in Hamburg's Civic Culture of Remembrance from 1918 to 1933. In: Das Gedächtnis von Stadt und Region. Images of History in Northern Germany (Hamburger Zeitspuren, vol. 7). Edited by Janina Fuge, Rainer Hering and Harald Schmid. Hamburg/Munich 2010 (2nd ed. 2011), pp. 15-38, 150-161.

Der Verein für Hamburgische Geschichte im Nationalsozialismus zwischen Beharrung und Selbstmobilisierung, conference "Stadtgeschichte in der Gesellschaft. Der Wiener Geschichtsverein 1853-2003", Verein für die Geschichte Wiens/Institut für Österreichische Geschichtsforschung/Wiener Stadt- und Landesarchiv, 21 November 2025.

Different audio formats and their use. A brief overview, annual meeting of the Oral History Working Group, German Emigration Centre Bremerhaven, 15 November 2024.

Beilstein's "Uni-Köpfe" in the context of Oldenburg's university history, opening event of the exhibition "Ein Stuhl erzählt Universitätsgeschichte. Klaus Beilstein's "Uni-Köpfe" in the University Archives Oldenburg", University Archives Oldenburg, Carl von Ossietzky University of Oldenburg, 4 November 2024.

(together with Heiko Garrelts) Mündlich überlieferte Geschichte - Erfahrungen aus den Interviewprojekten der Universitätsarchive Bremen und Oldenburg, spring conference of the VdA-Fachgruppe 8 at the University Archives Oldenburg, 14 March 2024.

(together with Norbert Henzel) Bestandserhaltung, präventive Konservierung und Notfallplanung - Maßnahmen zum Schutz universitären Sammlungsgutes, series of lectures "Kustodische Praxis an Universitätssammlungen", Institute of Material Culture/Institute of Biology and Environmental Sciences, University of Oldenburg, 19 October 2023.

Ein Kleinod bürgerlicher Kulturgeschichte - Die Bibliothek des Vereins für Hamburgische Geschichte im 20. Jahrhundert bis zu ihrer Zerstörung während der Operation Gomorrha, Verein für Hamburgische Geschichte, Hamburg, 18.10.2023.

Holdings of the University Archives in Teaching. Impressions from three co-operation projects, annual conference of the AG Norddeutscher Hochschularchive in Oldenburg, 29.6.2023

(together with Karen Bruhn) Presentation of the publication "Universitätskultur(en) jenseits der Fachgeschichte", Wissenschaftszentrum der Christian-Albrechts-Universität zu Kiel, 17.2.2023.

Historical societies in the Weimar Republic and the "Third Reich" - possibilities and perspectives of critical research, colloquium on 150 years of the Chemnitz Historical Society, 16 November 2022

Institutional history as oral history: Oldenburg university history since the 1970s, conference "Akademiegeschichte schreiben. Historiographical perspectives in comparison" at the Bavarian Academy of Sciences and Humanities, 12 October 2022

German historical associations in the Nazi era and the first post-war years - a thematic field exploration using the example of the Verein für Hamburgische Geschichte; Tag der Landesgeschichte 2021 in Lübeck, Gesamtverein der deutschen Geschichts- und Altertumsvereine with the Verein für Lübeckische Geschichte und Altertumskunde, 30 October 2021.

Der Mythos vom liberalen Hamburg - Zur Dekonstruktion eines bürgerlichen Narrativs; RingVL "Hamburg-Mythen im 19. und 20. Jahrhundert" (Andocken 19), Allgemeines Vorlesungswesen der Universität Hamburg, 26.1.2021.

Geschichtsvereine und die deutsche Geschichtswissenschaft - Einblicke in eine wechselhafte Beziehung mit Potenzial; Keynote for Workshop "Formate - Vernetzung - Perspektiven. Geschichtsvereine in Sachsen im 21. Jahrhundert" in Dresden, Verein für Sächsische Landesgeschichte, 18 September 2020.

The Hamburg Workers' Baccalaureate Courses in 1923 and 1927 - an educational policy innovation with long-term effects; conference "Bildung und Demokratie in der Weimarer Republik", Weimarer Republik e. V. and Forschungsstelle Weimarer Republik an der Friedrich-Schiller-Universität Jena, 26-28 August 2020.

"Gegenfestschriften" zu Universitätsjubiläen als alternative Erinnerungsangebote zwischen Protest und wissenschaftlichem Anspruch; Workshop "Hochschuljubiläen zwischen Geschichte, Gegenwart und Zukunft", Karlsruhe Institute of Technology (KIT), Institute of History/Institut für Technikzukünfte, 19 June 2020.

Geschichtsvereine als Akteure landesgeschichtlicher Forschung und Gegenstand der Wissen-schaftsgeschichte; Workshop of the AG Landesgeschichte im Verband der Historiker und Historikerinnen Deutschlands on the topic of "Methoden der Landesgeschichte", Stuttgart, 13 December 2019.

Paul Trummer (1862-1915) - bourgeois collecting practice as a cultural technique and contribution to science; keynote speech at the opening of the student exhibition "100 Years of the Trummer Collection in the State Archives", Hamburg State Archives, 13 June 2019.

Bürgerliche Geschichtswelten im Nationalsozialismus (book presentation); Association for Hamburg History, Hamburg, 24 April 2019.

How Hamburg residents experienced the revolution of 1918/19. Individual interpretations in self-testimonies; RingVL "Novemberrevolution 1918/19" (part 2), University of Hamburg, 13 February 2019.

Ten times "Junge Hamburger Geschichtswissenschaft (JHG)" - Genesis and development of a lecture series; lecture series JHG, University of Hamburg, 7 January 2019.

Massenuniversität, Studienreform und Muff-Aktion; lecture series "Schnöde Neue Welt" in the orientation unit of the social sciences, Universität Hamburg, 9 October 2018.

Students at the University of Hamburg between welfare, co-determination and political mandate (1919-1994); lecture series "(Almost) 100 years of the University of Hamburg" (part 3), University of Hamburg, 10 July 2018.

Co-determination, self-administration and political mandate. Democratic leeway of the student body in Hamburg between the founding of the university and 1968; RingVL "Und jeder Anfang wohnt ein Zauber inne ...", Universität Hamburg, 31 May 2018.

"I would only be able to tear apart the ties that unite me with Hamburg with a bleeding heart". The historian Erich Marcks (1891-1938) as Homo Academicus and promoter of the university project; RingVL "(Almost) 100 years of Universität Hamburg" (part 2), Universität Hamburg, 12 December 2017.

The revolution of 1918/19 in Hamburg testimonies; Symposium "Die Revolution 1918/19 in Hamburg. Events, comparisons and evaluations" in Hamburg, Research Centre for Contemporary History in Hamburg and Museum of Hamburg History, 30 June 2017.