Aldi since 2009. Aldi Aldi (stylised as ALDI) is the common brand of two German family owned discount supermarket chains with over 10,000 stores in 20 countries, and an estimated combined turnover of more than €50 billion. Based in Germany, the chain was founded by brothers Karl and Theo Albrecht in 1946 when they took over their mother's store in Essen, which had been in operation since 1913. The business was split into two separate groups in 1960, that later became Aldi Nord, headquartered in Essen, and Aldi Süd, headquartered in Mülheim. In 1962, they introduced the name Aldi (a syllabic
Albrecht Kossel Albrecht Kossel Ludwig Karl Martin Leonhard Albrecht Kossel (16 September 1853 – 5 July 1927) was a German biochemist and pioneer in the study of genetics. He was awarded the Nobel Prize for Physiology or Medicine in 1910 for his work in determining the chemical composition of nucleic acids, the genetic substance of biological cells. Kossel isolated and described the five organic compounds that are present in nucleic acid: adenine, cytosine, guanine, thymine, and uracil. These compounds were later shown to be nucleobases, and are key in the formation of DNA and RNA, the genetic material found in all living