Camper English is a cocktails and spirits writer and speaker who has covered the craft cocktail renaissance for over fifteen years, contributing to more than fifty publications including Popular Science, Saveur, Details, Whisky Advocate, and Drinks International. After much experimentation, in 2009 he revealed a simple method for making clear ice that is now used all over the world. He has since written dozens of articles and given talks about ice internationally. His previous book is Doctors and Distillers: The Remarkable Medicinal History of Beer, Wine, Spirits, and Cocktails. He is based in San Francisco.