Brian D. Hoefling is a cocktail historian, instructor, and inveterate barfly. The founder of the Herzog Cocktail School and a specialist in custom cocktail courses, his writing has appeared in the Boston Business Journal. His book, Distilled Knowledge: The Science Behind Drinking’s Greatest Myths, Legends, and Unanswered Questions, has been featured in The Boston Globe, Parade, Publishers Weekly and Booklist. He lives in Boston with an impressive selection of rums. Visit him at herzogcocktailschool.com.