He was a painter , etcher , architect , and engraver , and the leader of the Danube school of German art .
Albrecht Altdorfer is regarded as one of the founders of Western landscape art .
Albrecht Altdorfer was a Albrecht Altdorfer , etcher , architect , and engraver , and the leader of the Danube school of German art .
Albrecht Altdorfer is regarded as one of the founders of Western landscape art .