Among the names represented by powerhouse gallerist Sean Kelly is Marina Abramović, the Serbian conceptual and performance artist who has collaborated with James Franco and Jay-Z, and whose blockbuster MoMA exhibition The Artist is Present gave her fans an opportunity to sit across from the star and stare into her bewitching eyes. And now it’s time to celebrate another member of the Kelly stable, German multimedia artist Rebecca Horn, born just two years before Abramović, whose body of work is no less groundbreaking and dramatic.