Background
Sadler was born in Olomouc, and primarily painted religious-themed frescoes.
Sadler was born in Olomouc, and primarily painted religious-themed frescoes.
Acting especially in Moravia, for example the frescoes on the ceiling of the church of the Most Holy Trinity Church, Fulnek. He was the brother-in-law of the painter Johann Christoph Handke. He was of German minority ethnics in Moravia.
