Luitherus
Born in 1135.
Luitherus, active at the Benedictine monastery of Saint Gall, is mentioned in a document dated 12 November 1135. He is recognized as a writer and illuminator, having created illustrations for the Graduale Cod. 375, preserved in the monastery library.
Among his works, a dedication image is particularly notable for including a self-portrait of the master as a book painter.