Harold Carag, a notable botanist and cactus expert, brings to the table years of research and a wealth of knowledge in the field of cacti studies. A contributor to significant studies like "Cactus: Chemical, nutraceutical composition and potential bio-pharmacological properties" and a Contributing Writer for CactusClassification.Science, Harold demystifies the complex world of cacti, sharing his expertise and findings in a manner that is as engaging as it is enlightening for cactus aficionados and researchers alike.