Gibson (cocktail) than the onion into the 1930s and beyond, but still none use bitters. The famous Polished Gibson is garnished with a potato. The drink is traditionally made with gin, but the vodka Gibson is also common. The exact origin of the Gibson is unclear, with numerous popular tales and theories about its genesis. According to one popular theory Charles Dana Gibson is responsible for the creation of the Gibson, when he supposedly challenged Charley Connolly, the bartender of the Players Club in New York City, to improve upon the martini's recipe, so Connolly simply substituted an onion for the olive
Gin and tonic of water, sugar, lime and gin to the quinine in order to make the drink more palatable, thus gin and tonic was born. Soldiers in India were already given a gin ration, and the sweet concoction made sense. Since it is no longer used as an antimalarial, tonic water today contains much less quinine, is usually sweetened, and is consequently much less bitter. Gin and tonic is a popular cocktail during the summer. A 2004 study found that after 12 hours, "considerable quantities (500 to 1,000 ml) of tonic water may, for a short period of time, lead to quinine