Estella Bergere Leopold (1927–2024), passionate environmentalist who traced changing ecosystems

Credit: The Aldo Leopold Foundation and University of Wisconsin-Madison Archives Estella Bergere Leopold was a palaeobotanist whose studies of fossil pollen and spores helped to reconstruct past environments and link them to the present. Her investigations of the Cenozoic era (from 66 million years ago to the present) provided some of the first insights into … Read more