Immigrant Who Put Napa Valley, California, on World's Wine Map Dies

FILE — Mike Grgich of Grgich Hills Estate pours his Paris Tasting anniversary chardonnay in St. Helena, Calif., May 31, 2013. On Wednesday, Grgich died at 100. FILE — Winemaker Mike Grgich sips a glass of his cabernet sauvignon wine at the Grgich Hills Estate winery in Rutherford, Calif., Sept. 15, 2008. Grgich, who helped establish Napa Valley as one of the world’s premier wine-making regions, has died.

Miljenko "Mike" Grgich, a celebrated winemaker who helped establish Napa Valley as one of the world's premier wine-making regions, has died. He was 100.