The irreverent “Godfather of Pop Art” in his Long Island studio, 1992. How the contents of Larry Rivers’s estate and foundation ended up in a second-tier gallery near New Hope, Pennsylvania By Roxanne Robinson Three months ago, Jim Alterman posted a video on Instagram from his gallery, Jim’s of Lambertville in New Jersey, just across the river from New Hope, Pennsylvania, in which he “smashed” a work by Larry Rivers—once hailed as the “Godfather of Pop Art”—over his adult ...