A key issue noted for First appearance of Solomon Grundy and First appearance of Golden Age Green Lantern. Showcase #55 was published by DC Comics on April 1, 1965, as part of a series that began in 1956. Gardner Fox and Jack Schiff write, and art comes from Murphy Anderson. This 36-page issue features Alan Scott, Kent Nelson, Solomon Grundy, Hourman (Rex Tyler) and Inza Nelson.