Figure 54: Abaissement volontaire de la mâchoire inférieure: mouvement inexpressif

Duchenne described this model, a former shoemaker, as “an old, toothless man, with a thin face, whose features, without being absolutely ugly, approached ordinary triviality.” When criticized for using such an unattractive model, Duchenne held him up as proof that “every human face could become spiritually beautiful through the accurate rendering of his or her emotions.”