Wow. Thanks for sharing your enviable background and interests. We don't really have a group on the chemical origin of life, but it's a general interest topic to discuss in Atheists who love Science!. no doubt you keep up on the latest discoveries, and I'm sure a few members there would be interested in discussing them if you post.
Welcome to this world of rationality, truth and peace, where common sense helped by science leads to freethinking wisdom --- as you know as an atheist.
We invite you to make good friends by joining the busy group "ORIGINS: Universe, Astronomy, Life, Earth, Humans, Religion, Gods, Atheism, Evolution, Darwin..." with 680 discussion topics and 3400 members.