Mierle Laderman Ukeles, a '70s artist who became a hero to 'garbage men'
The New York City Sanitation Department in the late 1970s was not an obvious place to find a warm welcome for feminist conceptual art. But the newly appointed sanitation commissioner, Norman Steisel, had arrived as an outlier in the world of municipal waste. Before he began his career in city government, first working in budget offices, he had been a graduate student in chemical engineering and applied mathematics at Yale, where he fell in with a crowd of M.F.A. students. He understood the avant