Chevrolet calls out the 1957 Nomad two-door wagon in a release that highlights 24 vehicles that helped define the brand in the U.S. market. The strikingly sleek Chevy Nomad of 1955-1957 brought midcentury modern design to the utilitarian station wagon, according to the release. “The Nomad got its name, along with its unique roofline and rear body treatment, from a 1954 GM Motorama Corvette concept wagon conjured up by GM design chief Harley Earl –...