Bernie Taylor, a naturalist and archeoastronomer, is author of Biological Time as well as Before Orion: Finding the Face of the Hero. His website is https://beforeorion.com/.

Rolf Sattler is emeritus professor of biology at McGill University in Montrael, Canada. He is author of Organogenesis of Flowers, Biophilosophy: Analytic and Holistic Perspectives, and Science and Beyond: Toward Greater Sanity Through Science, Philosophy, Art, and Spirituality.