Theodoros Manousis

Theodoros Manousis (; 1793–1858) was a Greek historian, judge, benefactor, archaeologist and the first professor of history of the University of Athens.

Biography Manousis was born in 1793 in Siatista, then Ottoman Empire (now Greece). His father was a rich merchant and sent him study in the Leipzig University and later in the University of Göttingen. From the first year the foundation of the University of Athens, and for about twenty years (1840-1858), he was appointed as a professor teaching history. He was elected rector in the academic year 1845-1846, while in the academic year 1849-1850 he was dean of the Philosophical School.

He died in 1858 in Athens, at the age of 65, inheriting all his fortune at charities and at the University of Athens which established the Manousios Library in his hometown, Siatista, housing more than 5.000 books.