1 The metre - DrJim Grozier (UCL) and Miss Sophie Osiecki (Cambridge)
2 From notion to precision: the SI second - Dr Rory McEvoy (National Maritime Museum)
3 Lord Rayleigh's determination of the ohm - Prof. Edward A Davis (Cambridge)
4 Temperature scales: past, present and future: 1700~2050 - Prof. Graham Machin (NPL)
5 Kelvin's Absolute Temperature and Its Measurement - Prof. Hasok Chang (Cambridge)
6 A brief history of the unit of chemical amount - Dr. Juris Meija (National Research Council, Canada)
7 History of the Candela - Dr Teresa Goodman (NPL)
8 The Story of Mass Standards 1791-2018 - Dr Jim Grozier (UCL), Sally Riordan, Dr. Richard Davis (International Bureau of Weights and Measures)
9 The Watt balance - Dr Bryan Kibble

Malcolm Cooper has served as a member of the IOP History of Physics group for 30 years, and during that time, has served on the group's committee in several capacities for many years, including as chairman and secretary. Since 2004, he has served as Editor of the group's newsletter.

Jim Grozier is a retired physicist and engineer, now working as a lab demonstrator at University College London. His research interests include the philosophy of measurement in the physical sciences, and popular (mis)conceptions of special relativity. He is a member of the Committee of the History of Physics Group, and has published frequently on the history of physics.