When Surrounded Islands appeared in Biscayne Bay in 1983—eleven islands ringed with floating pink fabric—the work felt unmistakably whole. Monumental, precise, improbable. It looked like a single idea carried out with absolute conviction. What it did not appear to be was a late addition to an already established practice. And yet, in a quiet but consequential way, it marked a public shift: the acknowledgment that Christo and Jeanne-Claude had always been working together.

Gilbert and George present perhaps the most literal form of collaboration in this series. They did not align two practices or share a method. They declared themselves a single artist, split across two bodies, and then lived that declaration without exception.