The New York City Marathon Quadruplets

When Teresa Siemann learned that she was pregnant with quadruplets, she felt a mixture of excitement and anxiety. It was 1989. Siemann, who was born in Brooklyn, worked, at the time, as an emergency-room nurse at New York Methodist Hospital, in Park Slope--she was no stranger to the oddities of pregnancy and unconventional medical situations. "Still, it was surreal," she told me recently. "We didn't know what to expect." Her husband, John, meanwhile, thought of sports. "When I heard there were g...