Dr. Khalid Al-Zamili is a highly regarded and talented mathematician who successfully completed his doctoral studies in Chemical Engineering in 2003. Currently, he serves as a respected and accomplished educator in the field of engineering and mathematics, utilizing his extensive expertise as a faculty member at Al-Farabi University College's. This esteemed institution is dedicated to nurturing and educating the next generation of skilled and proficient engineers.With great pride, Dr. Al-Zamili holds two registered patents in the field of Oil Industry. He is also recognized as an informative and influential speaker at public conferences, commanding respect and admiration. Furthermore, his insightful scientific research papers have been published in numerous prestigious academic journals specializing in Chemical Engineering.Driven by his distinguished academic background, exceptional intellect, and revered presence in his chosen field, Dr. Al-Zamili has always been fascinated by mathematical aptitude and cognitive abilities from a young age. This lifelong passion has inspired him to author several acclaimed books on intelligence, puzzles, and practical mathematical ability testing, further establishing his authority and expertise in these subjects.Read more about this authorRead less about this author