Background
Maass was born in 1766 in Krottendorf near Halberstadt.
Maass was born in 1766 in Krottendorf near Halberstadt.
In 1791 he became extraordinary professor of philosophy, and in 1798 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.