Charles L. Sullivan has written more than one hundred articles for major wine and food journals and is the author of many books on the subject of wine history, including A Companion to California Wine: An Encyclopedia of Wine & Winemaking from the Mission Days to Present, Sonoma Wine & the Story of Buena Vista, and Zinfandel: A History of a Grape and its Wine. Earl Thollander is an artist and popular illustrator. He is the illustrator of Backs Roads of California. Robert Mondavi was a leading California winemaker.