Ragnar Holm


Ragnar Holm, was a Swedish physicist and researcher in electrical engineering, who was partially active in Germany and the United States.

Career

In 1904, Holm became licentiate in philosophy at Uppsala University, and earned his PhD in 1908. From 1906 to 1908 he studied at the University of Göttingen in Germany. In 1908 to 1909 he was a lecturer in Stockholm. Between 1909 and 1919 he worked as a physicist for Siemens & Halske in Berlin. In 1919 to 1921 he was a physicist and teacher at the in Stockholm, and between 1921 and 1927 associate professor at the. Between 1927 and 1945 he worked again for Siemens & Halske. From 1947 he was a consulting physicist at Stackpole Carbon Company in St. Marys, Pennsylvania, USA.

Research

Holm's research area included the study of electrical discharges, but his main focus was on electrical contacts, where he was a world-leading authority. His book Electric Contacts, originally published in 1946, is still used as a standard work in the field.
The Swedish maintains a special literature collection related to Ragnar Holm's research.

Awards

In 1971, the year after Holm's death, the IEEE established the Ragnar Holm Scientific Achievement Award for efforts in the field of electrical contacts. The prize has been awarded annually since 1972.
Since 1999, the Swedish Royal Institute of Technology has distributed the Ragnar Holm plaque to a young physicist at the beginning of the research career, after assessing dissertations and articles in physics, primarily related to Holm's previous research on electrical contacts. Every second year, the plaque is awarded to a Swedish recipient, and every two years the selection is international.