One of the most popular American snacks, it is generally believed the ice-cream cone was initially popularized at the 1904 St. Louis Exposition. At that time, Ernest Hamwi, a Syrian waffle vendor, created the "World's Fair Cornucopia" by taking portions of ice cream being dispensed by a fellow vendor who had run out of dishes and serving them up inside waffles that were folded into a cone-like shape. However, other sources, including the Library of Congress, claim that the ice-cream cone was invented on July 23, 1904, by Charles E. Menches of St. Louis and that it did not make its debut as a "walk-away" treat until later that year, at the St. Louis Exposition. A year earlier, a patent for a cone maker had been granted to Italo Marchiony (1868–1954), a New York pushcart vendor, who claimed to have been serving ice-cream cones (paper and later pastry) since 1896. But...