The Sidecar, listed by the International Bartenders Association in the “unforgettables” column, has it’s origin sometime between the End of World War I and the beginning of the roaring 20ies; the Paris Ritz has staked claims, it’s first found mentioned in 1922 and since then appearing in innumerable films, the latest probably being “The Bonfire of the Vanities” (1990):

• 2 oz Cognac
• 3/4 oz Lemon juice
• 3/4 oz Triple sec

Pour all into cocktail shaker filled with ice, shake and strain into cocktail glass.