Richard Feynman · Chapter 1

The Boy from Far Rockaway

Fixing Radios by Thinking, the Name of the Bird, and the Loss of Arline

A malfunctioning vacuum-tube radio on a kitchen table in Far Rockaway, Queens, during the Great Depression usually emitted a deafening hum through its paper speaker cone. After a minute, the noise faded into normal reception. Twelve-year-old Richard Feynman carried a cardboard carton of spare condensers, resistors, and soldering wire to a neighbor's house to diagnose the fault. While the anxious homeowner paced the floorboards, the boy sat still and stared at the silent metal chassis without touching a screwdriver. The owner soon complained that the young repairman had not even opened the cabinet. Feynman replied calmly that he was thinking.

By tracking the chronological sequence of the noise, he deduced how the fault unfolded inside the circuit. Heat from the warming vacuum tubes was expanding a loose filament inside a specific amplifier stage until the internal short circuit cleared itself. Alternatively, two tubes had been plugged into the wrong sockets in the series filament string. That mistake caused one cathode sleeve to overheat before the others stabilized. Pulling and swapping the suspect tubes fixed the radio in minutes. Word spread across Far Rockaway that the boy with the wooden toolbox could fix radios by thinking.

That habit of looking past surface symptoms came directly from his father, Melville Feynman. Melville worked as a uniform sales manager, though he had always wanted to study medicine. During summer walks through the Catskill woods near Phoenicia, New York, other fathers taught their sons the local names of trees and songbirds. Melville pointed to a thrush pecking at its feathers and dismantled the illusion that vocabulary equals comprehension. He taught his son that knowing the name of a bird in every language on Earth tells an observer nothing whatsoever about how the bird actually lives and behaves.

Instead of memorizing labels, father and son watched what the bird actually did. Why did the thrush peck at its plumage right after landing on a branch? Melville guessed that tiny mites irritated the warm undersides of the feathers during flight. Those mites settled down only after the bird folded its wings. They tested that idea by watching whether birds pecked more intensely after long flights than after short hops. Even when Melville's specific biological guess was wrong, the method held firm. Observe the physical mechanism first, and treat names as arbitrary tags.

The same refusal to hide behind polite conventions governed Richard's marriage to his high school sweetheart, Arline Greenbaum. While Feynman was finishing his doctoral research at Princeton in 1941, physicians diagnosed Arline with lymphatic tuberculosis. The illness was fatal and carried a prognosis of less than two years. Against the urgent warnings of his parents and university administrators, he married her at the Staten Island ferry borough hall on June 29, 1942. He kissed his bride on the cheek to avoid airborne infection and drove her straight to Deborah Sanatorium in Browns Mills, New Jersey. When Robert Oppenheimer recruited him to the Manhattan Project in 1943, Oppenheimer arranged for Arline to enter Presbyterian Sanatorium in Albuquerque, New Mexico, ninety miles south of the Los Alamos mesa.

Across Far Rockaway, the Catskills, and Albuquerque, three lifelong diagnostic rules took shape:

Every weekend between 1943 and 1945, Feynman hitchhiked or borrowed Paul Olum's old car to drive down the dusty mountain roads from Los Alamos to Arline's hospital room. Together they practiced total honesty. They mocked wartime postal censors by mailing letters cut into jigsaw strips and ordered funny holiday cards to keep up their spirits as her lymph nodes failed. When Arline died of lymphatic tuberculosis at Presbyterian Sanatorium on June 16, 1945, the bedside alarm clock stopped at 9:22 p.m. because Feynman had repaired its loose dial earlier that evening and set it down on the nightstand.