http://www.scientificamerican.com/article.cfm?id=the-inflation-summer-I read his article last year in the print edition. In 2002 he and Turok used string membrane theory to present a cyclical universe with ours being one membrane and banging into another membrane close by to start everything all over again. (Science, Vol. 296, Issue 5572, 1436-39, 5/24/02.) I still consider him a string theorist, not a thoughtful theorist.