Wes Wilson is an American artist known for his significant contributions to the psychedelic art movement of the 1960s. He gained fame for his vibrant and colorful poster designs, which often featured intricate patterns and bold typography. His work played a crucial role in promoting concerts and events for iconic bands such as The Grateful Dead and Jefferson Airplane, helping to define the visual culture of the era. In addition to his poster art, Wilson is recognized for his innovative use of color and form, which often created optical illusions. His style has influenced many contemporary artists and remains a vital part of the history of psychedelic art. Today, Wilson's work is celebrated in galleries and collections worldwide.