[laughter] next, brian fagin. he was born in england, trained in archaeology and anthropology at pembroke college, claim bridge. from 1959-1965 he served as keeper of pre-history at the livingston museum in northern rhodesia which is now zambia where he was involved in excavating a series of 1,000-year-old villages. he's a pioneer who makes it relevant in newly independent african nations. eventually, he left africa, came to the united states to teach and from 1967-2003 he served as professor of anthropology at uc santa barbara. he retired from teaching in 2003. since then he's been a full-time writer and independent scholar. as i said, he's written at least 40 books, maybe 50. we're trying to nail down that number. most important of his books are the ones on historical climate change including the book "the great warming," 2008 book which was a new york times bestseller. tells the story of the medieval warm period. his 2010 book, "cro-magnon," was featured at the book festival a couple years ago. he's also author