Donald B. Carroll spent his career working in Fire & Rescue, as a district chief, academy instructor, and paramedic. During those 30 years, he raised a family and pursued the meaning of life through extended study into the Cayce readings and other spiritual, scientific, and philosophical materials. Today, he is a popular presenter and writer of metaphysical topics from Cayce to the Kundalini, and is a regular A.R.E. volunteer, donor and former Board member. He spent over 10 years researching and writing, Sacred Geometry and Spiritual Symbolism: The Blue Print for Creation. He spent an additional 7 years of research for his latest book: "The Spirit of Light Cubit; The measure of Humanity and Spirit." He is also a past leader for A.R.E. tours, visiting sites of a spiritual nature across the globe.