. . . . "James Vicary"@en . "James McDonald Vicary (born April 30 1915 - died November 7 1977) was a market researcher best known for pioneering the notion of subliminal advertising in 1957."@en . "James McDonald Vicary (born April 30 1915 - died November 7 1977) was a market researcher best known for pioneering the notion of subliminal advertising in 1957."@en . . . .