Johann Maass

Johann Gebhard Ehrenreich Maass (; February 26, 1766 – December 23, 1823) was a German psychologist.

Maass was born in 1766 in Krottendorf near Halberstadt. In 1791 he became an extraordinary professor of philosophy, and in 1798 a full professor. Among his writings on psychology are ''Versuche: Über die Einbildungskraft'' (1792; 2nd ed. 1797), ''Über die Leidenschaften'' (1805–1807), and ''Über die Gefühle und Affekte'' (1811). He died in Halle in 1823. Provided by Wikipedia