Before Studies in expression, no American illustrator had so thoroughly captured the spectrum of human feeling with a pen. Charles Dana Gibson—already famous for the iconic "Gibson Girl"—turned his sharp eye to the theater of the face, producing a work that delighted both critics and the public. The drawing became a sensation for its wit: it was widely reproduced in magazines and even inspired amateur artists to try their own hand at mimicking its comic range.

In an era when illustration was often considered a lesser art, Gibson’s work blurred the line between popular culture and high art. The scene presents a sequence of faces, each one contorted in a different emotion—surprise, suspicion, delight, despair—like actors frozen in mid-performance. The viewer is invited to read the story not from a single narrative, but from the silent drama of expression itself. Every arched eyebrow and pursed lip is rendered with the crisp, confident line that made Gibson’s style instantly recognizable.

Unlike the moralizing caricatures of Honoré Daumier, Gibson’s faces are less about satire and more about the universality of feeling, offering a mirror to the viewer’s own experience. The exact date and medium of Studies in expression remain uncertain, but it is typical of Gibson’s prolific output for periodicals like Life and Harper’s Weekly in the late nineteenth and early twentieth centuries. The original drawing’s whereabouts are unknown; most surviving examples are printed reproductions, a testament to the work’s popularity and the ephemeral nature of magazine illustration. Today, Studies in expression is celebrated as a touchstone of American graphic humor, and it continues to influence cartoonists and illustrators who seek to capture the drama of everyday life with a single, telling line.