Since its beginnings as a private collection, the Solomon R. Guggenheim Museum collection has evolved to reflect the dramatic shifts in art making over the past 150 years. Art of Another Kind curators Tracey Bashkoff and Megan Fontanella explain the collection’s history and the contrasting yet synchronous visions of former directors Hilla Rebay and James Johnson Sweeney in making the Guggenheim a repository for the art of our time.