Hans Ryde (born 17 January 1931) is a Swedish physicist who is a member of the

Royal Swedish Academy of Sciences The Royal Swedish Academy of Sciences ( sv, Kungliga Vetenskapsakademien) is one of the Swedish Royal Academies, royal academies of Sweden. Founded on 2 June 1739, it is an independent, non-governmental scientific organization that takes special ...

. He was awarded his

Doctor of Philosophy A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common Academic degree, degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields ...

at Stockholm University in 1962. He was employed by the Research Institute of

Atomic Physics Atomic physics is the field of physics that studies atoms as an isolated system of electrons and an atomic nucleus. Atomic physics typically refers to the study of atomic structure and the interaction between atoms. It is primarily concerned wit ...

in Frecati,

Stockholm Stockholm () is the Capital city, capital and List of urban areas in Sweden by population, largest city of Sweden as well as the List of urban areas in the Nordic countries, largest urban area in Scandinavia. Approximately 980,000 people liv ...

during the 60s and 70s, where he did his research in the field of nuclear structural physics in general and deformed nuclear nuclei in particular. By using a 225-cm cyclotron he discovered, together with his colleague Arne Johnson, that there was a backbending effect in fast rotating nuclei. In 1975 he replaced

Sten von Friesen Sten von Friesen (March 18, 1907, Uppsala; September 9, 1996) was a Swedish physicist who was most known for having participated in the Swedish hit show Fråga Lund. Biography Sten von Friesen was born in Uppsala in 1907, and his father was the ...

as a

professor Professor (commonly abbreviated as Prof.) is an Academy, academic rank at university, universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who pr ...

at the

Department of Physics, Lund University The Department of Physics in Lund is a department that belongs to both the Faculty of Natural Sciences and the Faculty of Engineering at Lund University. The main goals are to expand the understanding of physics, its applications and to share sci ...

. He became a member of the

in 1992 and the

Finnish Society of Sciences and Letters The Finnish Society of Sciences and Letters is a Finnish academy for natural sciences, social sciences and humanities. It is known in Latin as Societas Scientiarum Fennica, in Swedish as Finska Vetenskaps-Societeten, and in Finnish as Suomen Tiede ...

in 1988.

References

1931 births Living people Swedish physicists Members of the Royal Swedish Academy of Sciences {{Sweden-scientist-stub