Ragna Róbertsdóttir’s recent exhibition brought together four decades of work, with sculptures and site-specific installations placed inside and outside the confines of the gallery. The preceding generation’s Minimalism, Land art, and process art had revolutionized artistic production by the time Róbertsdóttir started working in the 1980s. The artist’s conceptual and formal frameworks may allude to these predecessors, but her training as a fiber artist, which informs her meticulous process of shaping her materials by hand, sets her work apart. Róbertsdóttir’s use of materials—such as volcanic