PEOPLE: for San Francisco Chronicle

Lou Preston has evolved his wine operation into biodiverse farm at Preston Vineyards in Healdsburg, Calif., on Monday, April 4, 2016. He started four decades ago and was a pioneer grape grower in Dry Creek Valley and the farm-to-table movement.
for San Francisco Chronicle

Lou Preston has evolved his wine operation into biodiverse farm at Preston Vineyards in Healdsburg, Calif., on Monday, April 4, 2016. He started four decades ago and was a pioneer grape grower in Dry Creek Valley and the farm-to-table movement.