(b Vienna, Aug 28, 1812; d Vienna, March 12, 1905).
Austrian painter, draughtsman and printmaker. He was perhaps the most productive and accomplished watercolour painter in German-speaking Europe in the 19th century. On his frequent travels he produced local views, landscapes and interiors, often commissioned by aristocratic patrons. He studied with his father, Jakob Alt (1789–1872), a landscape and watercolour painter and one of the first to use the new technique of lithography. From the age of six Rudolf accompanied him on study trips, and, together with Alt’s other children, he coloured his father’s drawings. During his student days at the Akademie der Bildenden Künste in Vienna (1825–32), Rudolf joined his father on further journeys and collaborated in his studio. In 1832 he won a prize, which simultaneously freed him from military service and marked the beginning of his independent artistic activity. In the same year he produced his first oil painting, after his own watercolour, of the ...