Robert T. McGinnis is an American artist and illustrator, best known for his work in the field of book and movie poster art. He gained prominence in the 1960s and 1970s, creating iconic images for various paperback novels and film posters, particularly in the thriller and romance genres. His distinctive style often features bold colors and dynamic compositions. In addition to his commercial work, McGinnis has also produced fine art and illustrations for magazines. His contributions have left a lasting impact on the visual culture of the time, influencing both graphic design and illustration in popular media.