The author is an academic and keen writer and researcher who has published around 40 books, some of which have been commended by professional bodies and adopted as reference texts in courses, and m...view moreThe author is an academic and keen writer and researcher who has published around 40 books, some of which have been commended by professional bodies and adopted as reference texts in courses, and many important research articles, e.g., solution to one of most important, if not most important, mathematical problem, published in journal of a mathematics society, solutions for COVID-19 and other viral infections published in public health journal, etc.view less