Jack Briggs’s sister. Because she’s overbearing and slightly wealthier than the rest of the family, he’s attentive and obedient to her, often against Margaret’s wishes. While Nance demeans Margaret throughout the novel, she finally goes too far by declaring that because of her polio, Elsa has to go to secretarial school instead of studying medicine. It is at this moment that Margaret decisively rebukes her. Nance represents the world at large, which is eager to dismiss and stigmatize polio patients.