• 1989 Giuseppe Brusa,
Museo Poldi Pezzoli, Milan, 'Early mechanical horology in Italy' • 1990 Joachim Schardin, Staatlich
Mathematisch-Physikalischer Salon, Dresden, 'The history of the horological collections in Dresden'. • 1991 Anthony Turner, 'Berthoud in England, Harrison in France: the transmission of horological knowledge in 18th century Europe'. • 1992 Jan Jaap Haspels, Director/Curator,
Museum Speelklok, Utrecht, 'The Early History of Musical Clocks'. • 1993 owing to the illness of K. J. Langer, Munich, who was to lecture on 'German Precision Horology After 1800', David Thompson of the British Museum gave a talk on 'The British Museum Horological Collections'. • 1994 Gerhard Dohrn-van Rossum,
Chemnitz University of Technology, 'Public Clocks and Modern Hours - Time Measurement and Urban Life since the late Middle Ages'. • 1995 John Leopold, British Museum, 'The Third Seafaring Nation: The introduction of the marine chronometer in the Netherlands'. • 1996 Jaroslav Folta,
National Technical Museum (Prague), 'Horology in Prague'. • 1997 Peter Friess,
Deutsches Museum Bonn, 'An unknown talent of German clockmaking: Joseph Weidenheimer 1758– 1795'. • 1998 Günther Oestmann,
University of Hamburg, 'The Strasbourg Cathedral Clock'. • 1999 James Dowling, London, 'Mechanical Timekeeping in the Electronic Age'. • 2000 William J. H. Andrewes, Concord, Massachusetts 'French Clocks in American Collections'. • 2001 Mikhail Gouriev,
Hermitage Museum, St. Petersburg, 'Clocks and Watches in the Hermitage'. • 2002
Jonathan Betts,
National Maritime Museum, 'John Hyacinth Magellan (1720– 1790), horological and scientific agent'. • 2003 Sir George White,
Worshipful Company of Clockmakers, Jeremy Evans, The British Museum, 'Thomas Tompion 'at The Dial and Three Crowns' '. • 2004 David Penney, 'Evidence from the Transient: The Importance of Ephemera for a Proper Understanding of the Clock and Watch Making Trade'. • 2005 Professor Carlos R. Alba,
Autonomous University of Madrid (collector) & Juan J. Ontalva (clockmaker), 'Spain's Magnificent Horological Collections: An English and French Heritage'. • 2006 Roger Smith, 'The Sing-SongTrade: Exporting Clocks to China in the Eighteenth Century'. • 2007 Hans Boeckh, Patek-Philippe Museum, Geneva, 'French Literary Themes on 17th-Century Watches'. • 2008 Paul Buck, British Museum, 'Courtenay Adrian Ilbert (1888–1956), Horological Collector'. • 2009 John Glanville, 'Made in England – House clock production in the 20th century'. • 2010 Eddy Fraiture and Paul van Rompay (Belgian Horological Society), 'Clock & Watch Making in Flanders 1300–1830'. • 2011 Michael Grange, Cheltenham, 'The Grange Collection at the British Museum. English Provincial Clockmaking 1695–1840. The Role of the Thirty-Hour Clock'. • 2012 Alice Arnold-Becker, 'Friedberg – a centre of watch and clock making in 17th and 18th century Bavaria'. • 2013 Eduard C. Saluz,
Deutsches Uhrenmuseum, 'The German Clock Museum Furtwangen – 160 Years of collecting'. • 2014 Andrew King, 'Winner or loser. Did John Harrison win the Longitude Prize?' • 2015 James Nye, Chairman AHS, An Englishman, a Frenchman, and a Watchman—The Cross-Border Life of Robert Lenoir (1898–1979) (available on YouTube) • 2016 Sibylle Gluch, 'Timing the stars: astronomers, clockmakers and German precision horology around 1800' • 2017 Matthew Champion, 'The music of the clock, c.1300–c.1600' • 2018 Marisa Addomine, 'Heavenly advisors: the astrological purpose of public clocks in Italy' • 2019 Sebastian Whitestone, 'Revelation in revision. How alterations to a woodcut block change the history of Huygens' pendulum clock invention' • 2020 Owing to COVID-19 restrictions, the lecture was combined with the annual Harrison Lecture of the Clockmakers Company and held virtually as a Zoom webinar, entitled 'Time in a Space'. There were three speakers: Joanna Migdal, 'Proportion - An Artist Craftsman's Perspective'; John Martineau, 'The Beauty of Asymmetry'; and Lee Yuen-Rapati, 'The Importance of Spacing in Clock and Watch Dial Design'. (available on YouTube) • 2022 Peter de Clercq, 'Travel journals and the history of horology'. • 2023 Keith Scobie-Youngs, 'From Man to Machine - The history of the winding of the Great Clock of Westminster'. • 2024 Michael Korey, 'Geared to the planets'. • 2025 Bob Frishman, '‘American Superiority’ at the 1851 Great Exhibition'. ==References==