After returning to Munich he there collaborated with Johann on the fresco cycle in the All Saints' Chapel of the Munich Residenz, and assisted him in frescoes for Speyer Cathedral. He also painted frescoes in the Residenz zu Athen. After Johann's death in 1879, Claudius returned home and painted several regional churches, along with the painted façade of Munich's Hotel Königshof in 1880. He died in Oberstdorf.