This was followed by four years in Rome, where he cultivated contacts with the Nazarene movement, led by Friedrich Overbeck und Philipp Veit.
In 1832, he returned to Munich, where he painted the huge fresco that adorns the arch of the Isartor, depicting the triumphal entry of Emperor Louis after his victory at the Battle of Mühldorf.
In 1836 he was summoned to Weimar, to decorate two rooms of the Grand Ducal Palace with murals.
He was promoted to Director in 1854, but continued to produce many large oil paintings, mostly on religious subjects.
In 1852, he was awarded the Knight's Cross, First Class of the Order of the Crown (Württemberg), which conferred a title of nobility.