Charles H Baker Jr, an American journalist who counted Ernest Hemingway and Errol Flynn among his many friends, wrote for magazines such as Gourmet, Esquire and Town and Country, and was described by Margaria Fichtner, a columnist for the Miami Herald, as having an ‘unquenchable enthusiasm for what he called “the gentle art of imbibation”’.
Baker writes in his 1939 book, The Gentleman's Companion: An Exotic Drinking Book.
(scotchwhisky.com)
2 ounces bourbon
3/4 ounce sweet vermouth
1/4 ounce cherry liqueur
absinthe to taste
Angostura bitters to taste