M. R. Islam, PhD, is a world-wide consultant on environment and energy-related issues. Dr. Islam is known as the most published engineer in the world. He is credited to have coined terms, such as "green petroleum" and "sustainable petroleum development" at a time when "sustainable petroleum" was considered to be an oxymoron. Dr. Islam's most notable contributions are in the areas of sustainability, environmental integrity, and knowledge modeling, on which topic he has written dozens of books and over 700 research papers. Jaan S. Islam has been active in research on the topics of science and social science. He is a co-author of the theory of mass, energy, time, and human thought material that formed the core of a number of books, including the current series. His previous works include Reconstituting the Curriculum (with M.R. Islam & Gary Zatzman). Gary M. Zatzman has decades of investigative journalism and research experience, dozens of articles in technical journals, and four previously published books:?Sustainable Resource Development, Sustainable Energy Pricing, Economics of Intangibles (with M.R. Islam), and Reconstituting the Curriculum (with M.R. & J.S. Islam). M. Safiur Rahman, PhD, is the principal scientific officer at Bangladesh Atomic Energy Commission in the field of environmental engineering. Since 2000, Dr. Rahman has been carrying out research works related to the distribution of toxic trace elements in surface and ground water, food chains and the environment for many government agencies and has published over 100 scientific articles and several books. M.A.H. Mughal is a prominent philanthropist, author, speaker, mentor and a business consultant with 22 years of global experience with some of the world's top companies. He is the author of many articles and is a Chartered Fellow of the British Computer Society and holds many professional designations.