Jeff Koons, Balloon Dog (Yellow), 1994 – 2000. Mirror-polished stainless steel with transparent color coating; 121 x 143 x 45 in. (307.3 x 363.2 x 114.3 cm). Private collection. © Jeff Koons.

The Whitney Museum of American Art has mounted a Jeff Koons retrospective as the swansong in its uptown Breuer building before reopening in its new, Renzo Piano–designed space in Chelsea next spring.1 Besides his stratospheric auction prices, Koons is famous for industrially produced pop imagery such as inflatable hearts and balloon dogs, all of it turned out on a large, sometimes gigantic s ...