Architect, draughtsman, watercolour artist, lithographer. Portraitist, genre painter, landscape artist. Studied at the Academy of Arts (1810-21). Sent abroad along with his brother Karl by the Artists Support Society. Lived and worked mostly in Italy, though also lived and worked in France and Germany (1821-30). Designed the restoration project for the Pompeii bath-houses (1826), engraved in Paris (1829). Made an academician for a series of projects and watercolour portraits (1831). Taught architecture at the Imperial Academy of Arts (1831-37), professor (1832), professor emeritus (1854). Member of the Milan Academy of Arts, corresponding member of the Paris Academy of Arts, full member of the London Royal Institute.