هرمان گراسمان

Hermann Günther Graßmann was a mathematician, physicist, linguist, and teacher from the Kingdom of Prussia. Born in Szczecin in 1809, he died in the same city in 1877. He was educated at Martin Luther University Halle-Wittenberg and was a member of the Göttingen Academy of Sciences and Humanities in Lower Saxony. His fields of work included algebra, physics, mathematics, and philology.

Graßmann’s notable works include Grassmann's law, Grassmann number, and Grassmannian. He also authored texts such as *Lehrbuch der Arithmetik für höhere Lehranstalten*, *Wörterbuch zum Rig-Veda*, *Schraubenrechnung und Nullsystem*, and *Geometrische analyse geknüpft an die von Leibniz erfundene geometrische Charakteristik*. He wrote twenty-one works in total. He spoke German and played the piano. He had eleven children.