From Artefacts to Atoms - Quinn, Terry (Retired Emeritus Director, Retired Emeritus Director, BIPM (International Bureau of Weights and Measures))

This is the story of the International Bureau of Weights and Measures--from its origins in the 1860s until today. It highlightes the role of key individuals in the development of the institution and the path from artifact standards of the metre and the kilogram to units based on the fundamental constants of physics.