When Studies in expression, the author and the soubrette first appeared in print, viewers were quick to recognize the hand of Charles Dana Gibson, the American illustrator whose "Gibson Girl" had already become a cultural icon. What set this work apart, however, was its witty exploration of theatrical types, prompting the New York Times in 1901 to remark on Gibson's "keen eye for the comedy of manners." The drawing's popularity led to its frequent reproduction in magazines, and it remains one of the most cited examples of Gibson's sharp social observation. Although the exact date and medium of the original are uncertain, the piece is widely associated with Gibson's prolific period at the turn of the twentieth century. The scene captures a charged moment backstage or in rehearsal: the "author," pen in hand, leans forward with anxious anticipation, while the "soubrette"—the pert, clever maid of stage tradition—returns his gaze with a knowing smile.

Gibson's hallmark pen-and-ink linework brings out the contrast between the author's earnest, slightly awkward posture and the soubrette's effortless poise. The exaggerated expressions, from furrowed brow to arched eyebrow, invite the viewer to read the unspoken dialogue between creator and performer. Unlike the more sentimental approach of John Singer Sargent in his portraits of actors, Gibson's treatment is laced with humor and irony, emphasizing the subtle battle of wits at play. As with many of Gibson's works, Studies in expression, the author and the soubrette was likely created for publication rather than a private patron, reflecting the commercial and popular nature of American illustration in the Gilded Age.

The original drawing's whereabouts are unknown; it survives today primarily through reproductions in periodicals and collected editions of Gibson's work. This piece stands as a testament to Gibson's influence on visual culture, bridging the worlds of fine art and mass media, and helping to define the look and wit of American illustration at the dawn of the twentieth century.