He accepts that the multiverse is thought to exist far beyond the cosmological horizon .
George Ellis , writing in August 2011 , provided a criticism of the multiverse , and pointed out that it is not a traditional scientific theory .
George Ellis accepts that the multiverse is thought to exist far beyond the cosmological horizon .
George Ellis , writing in August 2011 , provided a criticism of the multiverse , and pointed out that it is not a traditional scientific theory .