The title of each collage in the Potato Masher series begins with a notable artist’s or celebrity’s name. The titles then take an abrupt turn away from stardom by alluding first to the famed figure’s mother, and then to her potato masher. Here, Johnson included his own likeness in the form of a headshot, made around 1963 by the photographer Ara Ignatius. His face is covered by black moticos and cut-up fragments of his earlier artworks. Johnson created his collages over a span of weeks, months, or even years, dating each element in pencil as it joined the composition.