Ahmed Zewail was an Egyptian-American chemist renowned for his pioneering work in femtochemistry, a field he helped establish that studies chemical reactions on extremely short timescales. His research focused on using short laser pulses to observe the movement of atoms and molecules during chemical reactions, providing insights into processes that were previously too quick to measure. This groundbreaking approach not only expanded our understanding of chemistry but also facilitated advancements in various scientific disciplines. Zewail's contributions to science earned him the Nobel Prize in Chemistry in 1999, making him the first Egyptian and Arab to receive this prestigious award. He was celebrated for his innovative techniques that allowed scientists to capture the dynamics of molecular transformations, paving the way for new developments in chemical synthesis and molecular biology. His work has had a lasting impact on how researchers explore and manipulate chemical processes. In addition to his scientific achievements, Zewail was deeply committed to education and science in developing countries. He advocated for increased investment in scientific research and education in the Arab world, emphasizing the importance of science for societal advancement. Zewail's legacy extends beyond his research; he inspired future generations of scientists through his dedication to both his work and the dissemination of knowledge.