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.
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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.
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Danish seismologist Inge Lehmann is remembered for her groundbreaking discovery of the Earth’s solid inner core and molten outer core, using seismic waves. While she initially studied math, she later deviated to seismology, with a focus on ascertaining earthquake epicenters. The William Bowie Medal-winning scientist died at age 104.
Niels Ryberg Finsen was a Danish-Faroese scientist and physician. Finsen's method to treat diseases, such as lupus vulgaris, using concentrated light radiation, earned him the 1903 Nobel Prize in Medicine and Physiology. Copenhagen University Hospital houses the famous Finsen Laboratory, which is named in his honor.
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Jens C. Skou was a Danish biochemist best known for his work in the field of animal cells. Along with Paul D. Boyer and John E. Walker, he was jointly awarded the Nobel Prize in Chemistry in 1997. He had a brilliant academic career and remained active well into his 90s. He died at the age of 99.
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Born to a goldsmith, Peter Andreas Hansen had initially learned the art of watchmaking. However, his skills as an astronomer eventually earned him the post of the director of the Seeberg Observatory near Gotha. His best-known works are related to optics, probability theory, and the motion of the Moon.