It has become inordinately difficult even to begin to think about constructing a naturalistic theory of the evolution of that first reproducing organism.One of the more significant efforts to address this problem is mapped out in Stuart Kaufmann's The Origins of Order: Self-Organization and Selection in Evolution. Flew no doubt has a better handle on the current state of play in this arena than do I, but I'm guessing most philosophers of science take a different view of the significance of the what is currently known in the science of molecular first origins.
UPDATE: Pajama Hadin weighs in on Flew's conversion.
Posted by Greg Ransom