Before revision: The noosphere (alternate spelling noösphere) is a philosophical concept developed and popularized by the biogeochemist Vladimir Vernadsky, and philosopher and Jesuit priest Pierre Teilhard de Chardin.
After revision: The noosphere (alternate spelling noösphere) is a philosophical concept developed and popularized by the biogeochemist Volodymyr Vernadsky, and philosopher and Jesuit priest Pierre Teilhard de Chardin.