Musician. Margit Theorell received notoriety for becoming one of the first harpsichordists in Sweden, playing classical music in concerts. She was a distinguished professional pianist and harpsichordist. Born Elin Margit Elisabeth Alenius, she married on June 5, 1931 to Dr. Axel Hugo Theodor Theorell, a Swedish biochemist, who would later receive the 1955 Nobel Prize for Physiology or Medicine. The couple had a daughter and three sons. Their daughter died age two in 1935 from tuberculosis, and after her husband's death, she had their daughter's remains re-interred next to his grave. She would join them years later. Her husband shared her interest in music becoming a member of the Swedish Royal Academy of Music, as well as chairman of the Stockholm Symphony Society. While studying music in Stockholm at Richard Andersson's School of Music, she was recommended for advance studies in Germany. For her first formal performance, she played in 1929 at the Stockholm Concert Hall, with Mozart's B flat major concert. This followed with other concerts and playing on the radio. In 1930, she became an instructor at the Richard Andersson's School of Music. It was there she met her husband as his sister was studying music at the same music school. She went to Switzerland to study under Edwin Fischer, a recognized Swiss concert pianist. Along with her music, her personal life became very busy as a wife of a well-known scientist, traveling around the world with him to various professional obligations, in addition to being the mother of three young sons, yet she continued her performances. In 1946, she succeeded Ingrid Kjällström as harpsichordist in the Concert Association and became a member of the Philharmonic's chamber ensemble. From 1951, she was a full-time music instructor at the Royal Academy of Music. She was a member of the Mazer Quartet Society, performing chamber music as well as orchestra participation from 1933 to 1966. In 1971 an LP album, "Filharmonins Kammarensemble Stockholm," was recorded with her performing a solo.