Greg Retallack is an academic expert in global climate change, mass extinctions, major evolutionary transitions, ancient Mars environments, and the origin of life. At the University of Oregon, he is a professor of earth sciences and the Director of Paleontological Collections at the Museum of Nat...
Greg Retallack is an academic expert in global climate change, mass extinctions, major evolutionary transitions, ancient Mars environments, and the origin of life. At the University of Oregon, he is a professor of earth sciences and the Director of Paleontological Collections at the Museum of Natural and Cultural History. Greg studies the evolution of life on land, and in particular, the evidence of fossil soils. His past studies have explored the role of soils in ape and human evolution in Kenya, grassland evolution in North America, and dinosaur extinction in Montana.