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8style for its assertive hoppiness that defined American craft beer.29 The pattern of homebrewers being influenced by the early breweries, scaling up recipes, and building equipment to open up their own breweries was now in place.McAuliffe and Grossman, along with generations of brewers since, sought help from Dr. Michael Lewis at the University of California, Davis, where he started the only on-campus brewing education program in the United States in 1964.30 Dr. Lewis%u2019 brewing science classes aimed at maximizing the efficiency of brewing a commodity good for breweries such as Pabst and Anheuser-Busch. McAuliffe and Grossman needed help scaling five gallon homebrew recipes to 230 gallon large-scale recipes since malt, hop, and yeast utilization do not scale linearly.31 In addition to creating the brewing science undergraduate and graduate program at UC Davis, Dr. Lewis created a Professional Brewing program through UC Davis Extension aimed at the growing craft industry.32 Dr. Lewis established the American Brewers Guild to educate working or would-be brewers. He also ran the Pub Brewing Company and Lewis Consulting to help small brewers set up their business.33 As Dick Cantwell, a longtime brewer, beer writer, and current Brewers Association Quality Ambassador wrote in 1995,In an industry of informality, where nicknames and forms of address would seem to make us all drinking buddies, it has always seemed somewhat anomalous that Michael Lewis of the University of California at Davis would nearly universally be referred to as %u201cDr. Lewis.%u201d It is as though he alone has occupied the throne of respect rendering the use of a first name inappropriate%u2014no Joe or Bill or Ilse for him%u2014Dr. Lewis is the only name to be used. It isn't that he doesn't deserve it%u2014or that they don't%u2014it's always simple struck me as funny.34 Finding materials, equipment, and information was difficult. Homebrewers found supplies and literature at homebrew shops and winemaking stores. Packets of generic yeast and hopped malted barley extract were sold at small retail locations around the country with limited reach and through mail-order companies, whose catalogues were only available at the shops. The