Jeanne Gang, the architect behind the Aqua Tower, is one of the most influential people of 2019. Her stunning Aqua, in Chicago, is the tallest building ever built by a woman. Now she’s building an even taller one. Yet, for Jeanne, architecture is not just a wondrous object. It’s a catalyst for change. Her sleek, woody boathouses are helping to revive the polluted Chicago River by filtering runoff organically. Her Polis Station concept aims to improve the way civilians interact with law enforcement by fusing police stations with civic recreational centers. She recently tested the idea in one of Chicago’s most violent neighborhoods, adding a basketball court to the 10th District police station in North Lawndale...