Cabinet in 1910, a position he held until his death in 1928. At the time of his appointment, Lorentz was at the height of his scientific career and was a central figure in the international community of physicists. Under his leadership, the Teylers Museum conducted scientific research in such diverse fields as optics, electromagnetism, radio waves, and atom physics. Lorentz was succeeded by the physicist and musician Adriaan Fokker. Physicist Wander Johannes de Haas served as conservator in the 1920s. The museum’s entire archives have also survived intact. They include the complete series of accounts for all acquisitions, extensions, salaries and day-to-day purchases since 1778, the complete series of visitors’ books since 1789, and the minutes of all meetings of the museum board since 1778. The museum is open six days a week; Tuesdays-Saturday 10:00-17:00, and Sundays 12:00-17:00. Heritage site The museum is on the top 100 Dutch heritage sites list compiled by the Department for Conservation in 1990. It was nominated on 12 December 2011 by the Dutch Cabinet for UNESCO World Heritage Site status, based on its long history as a public knowledge institute and its continued efforts to preserve public access to its collections. However, the nomination was withdrawn in 2013. Administration Marjan Scharloo is the museum director and Terry van Druten is the conservator of the museum. From the 1.1.2022 Marc de Beyer will be the new director of the museum. The museum had 137,000 visitors in 2019. Teylers Museum is a member of the Museumvereniging (Museum Association). See also Teylers Hofje – related site Tiberius Cornelis Winkler – curator Hendrik Jacobus Scholten – curator Gerrit Jan Michaëlis – curator Vincent Jansz van der Vinne – first caretaker Highgrove Florilegium – book in the collection References Further reading M. Scharloo (ed.), Teylers Museum: A Journey in Time (Haarlem 2010). R. J. Forbes (ed.), Martinus van Marum. Life and Work, 6 vols (Haarlem 1969-1976). A. G. MacGregor, Curiosity and Enlightenment: Collectors and Collections from the Sixteenth to the Nineteenth Century (London 2007). Teyler 1778-1978. Studies en bijdragen over Teylers Stichting naar aanleiding van het tweede eeuwfeest (Haarlem / Antwerpen 1978) (in Dutch). W. W. Mijnhardt, Tot Heil van ’t Menschdom. Culturele genootschappen in Nederland 1750-1815 (Amsterdam 1988) (in Dutch). B. Sliggers (red.), De idealen van Pieter Teyler. Een erfenis uit de Verlichting (Haarlem 2006) (in Dutch). External links Teylers Museum – official website 1784 establishments in the