The chapter begins by complicating Frederick Lindemann's cold public image. Although critics portray the Prof as remote and purely statistical, the narrative shows him quietly helping people in practical ways, including paying a young laboratory worker's medical bills, providing support for an elderly former nurse, and looking after his valet, Harvey.

The focus then shifts to wartime tea, which functions as a daily source of comfort, routine, and national identity. During air raids and their aftermath, civilians, observers, and rescue workers all rely on tea as a steadying ritual, making it a crucial part of how Britain endures the strain of war.

That importance leads Lindemann to intervene when the Ministry of Food proposes cutting the tea ration to two ounces a week. Writing to Winston Churchill, Lindemann argues that working-class women and charwomen depend on tea as their main stimulant and their only real luxury, especially under blackout conditions, air-raid warnings, rising prices, and other wartime burdens.

Lindemann pushes the argument further by tying tea directly to morale. He warns that the class hit hardest by war has the least material stake in society and could become dangerously demoralized; if these women lose heart, Lindemann believes, they may weaken the resolve of their households as bombing intensifies.

Despite Lindemann's direct access to Churchill, his effort fails. The ration is eventually set at three ounces a week and remains in place for years, forcing many people to dry and reuse tea leaves, a small but telling sign of how deeply war has entered ordinary British life.