An illustrated examination of Glenn Ligon's iconic Untitled (I Am a Man) (1988)--a quotation, an appropriated text turned into an artifact. The iconic work Untitled (I Am a Man) (1988) by the important contemporary American artist Glenn Ligon is a quotation, an appropriated text turned into an artifact. The National Gallery of Art in Washington presents the work as a "representation--a signifier--of the actual signs carried...