Throughout history, ideas have come and gone, religions have emerged and faded, and intellectual movements have thrived only to be later supplanted.  Surveying this legacy, the question arises: what, if anything, is worth believing in?  Come find out as Oxford mathematician and Christian thinker John Lennox gives his answer, drawing from his experiences with atheism and theism in Eastern Europe.  The forum will be moderated by Ray F. Cowan, Research Scientist at the Laboratory for Nuclear Science, M.I.T. and Stanford Linear Accelerator Center