Johan Ernst Welhaven Sars was a Norwegian professor, historian, author and editor. Assuming perspectives from the positivism philosophical school, his main work was Udsigt over den norske Historie, four volumes issued from 1873 to 1891. He co-edited the magazines Nyt norsk Tidskrift from 1877 to 1878, and Nyt Tidsskrift from 1882 to 1887. He was politically active for the Liberal Party of Norway and among the party's most central theoreticians.
Ernst Schweninger was a German physician and naturopath who developed the Schweninger method, a reduction of obesity by the restriction of fluids in the diet.
Ernst Stadler was a German Expressionist poet. He was born in Colmar, Alsace-Lorraine and educated in Strasbourg and Oxford; in 1906 he was awarded a Rhodes Scholarship to study at Magdalen College, Oxford.
Ernst Toller was a German author, playwright, left-wing politician and revolutionary, known for his Expressionist plays. He served in 1919 for six days as President of the short-lived Bavarian Soviet Republic, after which he became the head of its army. He was imprisoned for five years for his part in the armed resistance by the Bavarian Soviet Republic to the central government in Berlin. While in prison Toller wrote several plays that gained him international renown. They were performed in London and New York City as well as in Berlin.
Ernst Peter Wilhelm Troeltsch was a German liberal Protestant theologian, a writer on the philosophy of religion and the philosophy of history, and a classical liberal politician. He was a member of the history of religions school. His work was a synthesis of a number of strands, drawing on Albrecht Ritschl, Max Weber's conception of sociology, and the Baden school of neo-Kantianism.
Ernst von Bibra was a German Naturalist and author. Ernst was a botanist, zoologist, metallurgist, chemist, geographer, travel writer, novelist, duellist, art collector and trailblazer in ethnopsychopharmacology.
Ernst von Glasersfeld was a philosopher, and emeritus professor of psychology at the University of Georgia, research associate at the Scientific Reasoning Research Institute, and adjunct professor in the Department of Psychology at the University of Massachusetts Amherst. He was a member of the board of trustees of the American Society for Cybernetics, from which he received the McCulloch Memorial Award in 1991. He was a member of the scientific board of the Instituto Piaget, Lisbon. Glasersfeld is known for the development of radical constructivism.
