Anthony Flew has an interesting conversion account. It was the discovery of DNA's double helix which led him to believe in an intelligence behind the creation of life. The creator communicated to him through his creation.
Anthony Flew
His name may not be familiar, but Flew was one of the most significant atheist thinkers of the pre-Dawkins era. He was a prominent critic of religion, suggesting that atheism should be the default position until evidence for God could be produced; that the burden of proof should be on the faiths, not on the faithless. He carried these beliefs late into life, even signing 2003's Third Humanist Manifesto. However, just a year later, he announced that he had dramatically changed his philosophical allegiance.
Flew hadn't converted to the Christian faith, but he had embraced deism – the belief in God. So convinced was he, that in 2007 he published his final book, There is a God: How the world's most notorious atheist changed his mind. It has been discredited by atheists ever since who claim that Flew's change of position was due to his declining mental health, and that the book was mainly the work of his co-writer. However, before his death in 2010, Flew lucidly and specifically addressed this in one of his final articles, itself a rebuttal of Dawkin's references to him in The God Delusion.
https://www.christiantoday.com/article/five-atheists-who-lost-faith-in-atheism/61784.htm
