Charles-Édouard Guillaume was a Swiss physicist who received the Nobel Prize in Physics in 1920 "for the service he had rendered to precision measurements in physics by his discovery of anomalies in nickel steel alloys." In 1919, he gave the fifth Guthrie Lecture at the Institute of Physics in London with the title "The Anomaly of the Nickel-Steels." The Nobel Prize in Physics 1920, announced November 11, 1920. Charles Edouard Guillaume, “in recognition of the service he has rendered to precision measurements in Physics by his discovery of anomalies in nickel steel alloys”. Charles Edouard Guillaume: born 1861, Fleurier, Switzerland. Wiki link Data: the Nobel Foundation (CC0).