Saint Hermann Joseph
Patron of Children Students Watchmakers
Feast day: April 7
c. 1150 – 1241
Hermann Joseph, was a German Premonstratensian canon regular and mystic. Never formally canonized, in 1958 his status as a saint of the Roman Catholic Church was formally recognized by Pope Pius XII.
Text from Wikipedia (Hermann Joseph von Steinfeld), CC BY-SA 4.0