Hans Christian Ørsted was a Danish chemist and physicist. He was the first person to discover that electric currents can be used to create magnetic fields. His discovery was the first relationship found between magnetism and electricity. Oersted, the unit of the auxiliary magnetic field H, is named in his honor.
Nobel Prize-winning Danish nuclear physicist Aage Bohr is best remembered for his work related to the geometry of atomic nuclei. Son of Nobel laureate physicist Niels Bohr, Aage had started his career as an assistant to his father and working on the development of the atomic bomb.
Lene Hau is a Danish physicist and educator currently serving as the Mallinckrodt Professor of Physics and Applied Physics at Harvard University. She has done major research into novel interactions between ultracold atoms and nanoscopic-scale systems. She also often speaks at international conferences. She is a recipient of the George Ledlie Prize and the Richtmyer Memorial Award.
Nobel Prize-winning Danish-American physicist Ben Roy Mottelson is best known for his research on asymmetrical shapes of atomic nuclei. A Harvard alumnus, he later taught at the Nordic Institute for Theoretical Nuclear Physics in Copenhagen. He has been named to the American Philosophical Society, too, among other honorary organizations.
Rasmus Bartholin was a Danish grammarian and physician. He is best remembered for his discovery of the double refraction of a ray of light by Iceland spar. Rasmus Bartholin is also remembered for his association with the University of Copenhagen where he served as a professor of Geometry and Medicine.