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Welcome. I am a photographer and a former Professor of Earth Sciences at the University of Georgia, now residing permanently in Santa Fe, New Mexico. This blog was born from a need to remember small fragments of a bygone world that existed not too long ago, within the living memory of a not insignificant fraction of humanity, among whom I count myself. Much of the work that you will encounter here, and in my sister site, is photographic. It consists of my visual interpretation of places and times that, for a diversity of reasons, are important to me. Some chapters are attempts to express in words what it means to see one’s world disappear, without being able to travel back in time nor, failing that, to stop the tragedy. A few are an animal-lover’s cry of despair, in the name of all of those non-human sentient beings who also call this planet their home. As all blogs, this is a work in progress with no end in sight.

This site and its sibling, fourbillionyears.com, constitute my only internet presence. You will not find me on any social media platform nor any other online community, although you may stumble upon traces of my former scientific work. Otherwise, in the words of Inspector Morse, “I don’t join things”. As the illustrious inspector, however, I do enjoy interacting with individuals with whom I may have common interests and outlooks. This is why I maintain this website, and why I invite you to make contact with me.

Finally, why the blog’s name? Because that is more or less the age of the Earth. Although more precisely it is 4.56 billion years, that would have been inconvenient as a web address. And four billion years is close to the age of the origin of life on Earth, the age of that common ancestor to all terrestrial organisms. Lest we forget that we all come from a random sequence of chemical reactions that led to a self-replicating molecule, and that no life-form has a special place, no matter what the many creation myths invented by humans may have to say.