Hermannus Contractus
1013-1054
German scholar who wrote treatises on the astrolabe, the abacus, and the number game rithmomachia. Hermannus, son of Count Wolverad of Swabia, had from birth suffered fr...
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Hermann the Lame, also known as Hermannus Contractus and Hermann of Reichenau, was born in 1013. When he was seven, his father, Wolfrad von Altshausen, and his mother, Hiltrud, sent him to the monaste...
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Hermannus Contractus
Hermann the Lame