Theo Albrecht the United States. Aldi and Trader Joe's, while owned by the brothers, have separate and distinct ownership and operations. Theo Albrecht and his brother Karl revolutionized the German grocery market with a low-cost business model. They had developed the supermarket as an outgrowth of their mother's small grocery store, which she had opened in 1913, in Essen, after Theo’s father had developed emphysema as a miner. Theodor learned the grocery business from his mother, in order to escape the fate of his father in the mines. He and his brother Karl developed Albrecht Diskont, one of Europe’s largest chains of
Archduke Karl Albrecht of Austria Archduke Karl Albrecht of Austria Archduke Karl Albrecht of Austria-Teschen ("Karl Albrecht Nikolaus Leo Gratianus von Österreich", later "Karl Albrecht Habsburg-Lothringen", since 1919 – "Karol Olbracht Habsburg-Lotaryński"; (Pula, 18 December 1888 – Östervik, near Stockholm, 17 March 1951). He was an Austrian archduke, the oldest son of Archduke Charles Stephen and Archduchess Maria Theresia, Princess of Tuscany. He was a landowner in Żywiec, a colonel of artillery in both the Imperial Austro-Hungarian Army (cavalry) and the Polish Army, and the 1,175th knight of the Order of the Golden Fleece in 1910, etc. In 1918 and again in 1939 he became