Hermann of Reichenau

Timeline

1. 1020–1040Reichenau Abbey · Lake ConstanceCalled "the Crippled" from childhood due to disability, he entered Reichenau Benedictine Abbey at age seven, received his education in the monastic school, and studied under abbey scholars, laying the foundation for his later polymathic learning.
2. 1041–1054Reichenau Abbey · Lake ConstanceIn the 1040s he wrote the Chronicon, a world history from Creation to his own time, an important source for the study of 11th-century Central Europe that also records major events of empire and church.
3. 1042–1050Reichenau Abbey · Lake ConstanceIn the same period he wrote the music theory treatise Musica and astronomical papers, discussing intervals, rhythm, and the motions of celestial bodies; representative works include the hymn Alma Redemptoris Mater.