When the Cleveland suburb of Euclid first zoned its land in 1922, the Ambler Realty Company was left with a sizable tract it could no longer sell for industrial use-and so the company sued. What emerged was the seminal zoning case in American history, pitting reformers against private property advocates in the Supreme Court and raising the question of whether a municipality could deny property owners the right to use their land however they chose.Reconstructing the case that made z...