Antoine Peychaud was an apothecary in 1830's New Orleans and began his mixing career after hours in his pharmacy. It was at that time that Peychaud mixed up his secret-recipe bitters with brandy and absinthe and created the first Sazerac, a cocktail that defined and influenced future cocktails. Peychaud's bitters are used today in a number of cocktails and the aromatic blend is considered one of the must-have's of any well-stocked bar.