The American scientist Dr. Carole P. Meredith had been at the since 1980 University of California active in Davis. There she taught as a professor of viticulture and cellar management and was intensely involved ampelography Busy tasks. From the mid-1990s, it successfully tried to determine the origin of grape varieties DNA analysis, There was close cooperation with the French research institute Montpellier, especially with the Swiss ampelographer Jean-Michel Boursiquot, Among other things, the origin of the varieties Cabernet Sauvignon. Carmenère. Charbono. Chardonnay. Durif. Gamay. Merlot. Merlot Blanc. Plavac Mali. Syrah and Zinfandel (or that it is identical to Primitivo and Tribidrag is), as well as from over 20 crossings Gouais Blanc x Pinot clarified.
Carole Meredith retired in 2003. Since then, she and her husband Stephen Lagier have been producing at the Lagier-Meredith winery in California Napa Valley (Mount Veeder) Syrah wines. In connection with grape variety DNA analyzes, their names are often given in relevant sources even after they retire. However, this does not relate to personal cooperation, but rather that their work was still included in the analyzes concerned until 2003. In 2009, she was inducted into the Vintners Hall of Fame for her great service to the California wine industry.