Hermann of Reichenau was an 11th-century Benedictine monk and polymath born in Altshausen. Despite facing significant physical disabilities that hindered his speech and movement, he became a highly influential scholar at the Abbey of Reichenau. His intellectual pursuits spanned diverse fields, including music theory, mathematics, astronomy, and history. He is widely recognized for his extensive writings and musical compositions, which contributed significantly to the medieval understanding of the quadrivium and religious liturgy.