The power of good ventilation

Smog in the Manhattan borough of New York on Nov 24, 1966. — ©️2023 The New York Times Company

IN January 1912, in the depths of a New York City winter, an unusual new apartment complex opened on the Upper East Side.

The East River Homes were designed to help poor families fend off tuberculosis – a fearsome, airborne disease – by turning dark, airless tenements inside out.