The French viticulture specialist Professor Joseph Vidal (1905-1985) came from a family of winegrowers and joined the University of Montpellier
on. In 1928 he became director of crop protection in Oujda (Morocco). In 1946 he founded the Moroccan Agricultural School in Meknes, where as director he also held the chair of viticulture. In 1957 he returned to Roussillon, where he founded and directed the technical wine institute of Roussillon. Worth mentioning are his works "Viticulture in Morocco
"(1951) with a description of the Moroccan grape varieties, as well as" Viticulture in Roussillon "(1959), where history, culture, vine diseases and wine production are treated. Joseph Vidal also did research on vine deficiency diseases, which he himself discovered in some varieties. At the College of Montpellier he was also a respected entomologist.