2
Amount per hour (in U.S. dollars) that Margrit Biever, the first female tour guide in the Napa Valley, was paid at Charles Krug Winery in the 1950s. Worried that she didn’t know enough about wine when she got the job, Biever took wine classes at the University of California, Davis. In 1980, she married Robert Mondavi whose family owned Charles Krug Winery. Margrit Biever passed away in 2016.