Charles Edouard Guillaume
Born: 15 February 1861, Fleurier, Switzerland
Died: 13 June 1938, Sèvres, France
Affiliation at the time of the award: Bureau International des Poids et Mesures (International Bureau of Weights and Measures), Sèvres, France
Prize motivation: "in recognition of the service he has rendered to precision measurements in Physics by his discovery of anomalies in nickel steel alloys"
Prize share: 1/1