List of Famous people named Johann

Johann Peter Gustav Lejeune Dirichlet was a German mathematician who made deep contributions to number theory, and to the theory of Fourier series and other topics in mathematical analysis; he is credited with being one of the first mathematicians to give the modern formal definition of a function.

Johann Heinrich Pestalozzi was a Swiss pedagogue and educational reformer who exemplified Romanticism in his approach.

Johann Kaspar Lavater was a Swiss poet, writer, philosopher, physiognomist and theologian.

Johann "Hans" Nelböck was an Austrian former student and murderer of Moritz Schlick, the founder of the group of philosophers and scientists known as the Vienna Circle.

Johann Hinrich Wichern was a founder of the Home Mission movement in Germany (8a).

Johann Gottfried Herder was a German philosopher, theologian, poet, and literary critic. He is associated with the Enlightenment, Sturm und Drang, and Weimar Classicism.

Johann Joachim Kändler was a German sculptor who became the most important modeller of the Meissen porcelain manufactury, and arguably of all European porcelain. He worked at Meissen for over 40 years, from 1731 until his death in 1775.

Johann Bernhard Fischer von Erlach was an Austrian architect, sculptor, and architectural historian whose Baroque architecture profoundly influenced and shaped the tastes of the Habsburg Empire. His influential book A Plan of Civil and Historical Architecture (1721) was one of the first and most popular comparative studies of world architecture. His major works include Schönbrunn Palace, Karlskirche, and the Austrian National Library in Vienna, and Schloss Klessheim, Holy Trinity Church, and the Kollegienkirche in Salzburg.

Johann Hieronymus Schröter was a German astronomer.

Johann Philipp Reis was a self-taught German scientist and inventor. In 1861, he constructed the first make-and-break telephone, today called the Reis telephone.