In 1665, Rembrandt painted an honest portrait of his younger colleague Gerard de Lairesse, unknowingly immortalizing this painter’s unique physical appearance for contemporary speculation. Like Rembrandt, de Lairesse was a celebrated Dutch artist who was widely influential in his time for his French-style paintings. Today, many believe that he shows facial manifestations of this infectious disease. Do you know what disease he may have had? While you’re giving it some thought, please consider taking …