Wilkins reports Leigh Van Valen, paleontologist and evolution polymath (theorist, philosopher, mathematician, proponent of the Ecological Species Concept, and coiner of the Red Queen Hypothesis) has died.
He was 75, and will live on through his many students and his astonishingly broad body of research, which touched on everything from the evolution of whales to whether HeLa cells could be considered a new species.
Joshua Rosenau spends his days defending the teaching of evolution at the