
Written and collected by Zia H Shah MD, Chief Editor of the Muslim Times
Ahmed Hassan Zewail (February 26, 1946 – August 2, 2016) was an Egyptian-American chemist renowned for his pioneering work in femtochemistry, the study of chemical reactions on extremely short timescales. His groundbreaking research earned him the 1999 Nobel Prize in Chemistry, making him the first Egyptian and Arab scientist to receive a Nobel Prize in a scientific field.
Early Life and Education
Born in Damanhur, Egypt, and raised in Desouk, Zewail demonstrated an early aptitude for science. He earned his bachelor’s degree from Alexandria University before pursuing doctoral studies at the University of Pennsylvania, where he completed his Ph.D. under the supervision of Robin M. Hochstrasser. Following his doctorate, Zewail conducted postdoctoral research at the University of California, Berkeley.
Academic Career and Research
In 1976, Zewail joined the faculty of the California Institute of Technology (Caltech). By 1990, he was appointed the Linus Pauling Professor of Chemical Physics. At Caltech, Zewail’s research focused on developing techniques to observe chemical reactions in real-time. He utilized ultrafast laser pulses to capture events occurring on the femtosecond scale (one femtosecond equals 10^-15 seconds), allowing scientists to observe the motion of atoms within molecules during chemical transformations.
Nobel Prize and Femtochemistry
Zewail’s development of femtosecond spectroscopy revolutionized the field of chemistry by providing a detailed understanding of chemical reaction dynamics. This innovation enabled the visualization of transition states and the breaking and forming of chemical bonds in real-time. In recognition of this monumental achievement, he was awarded the Nobel Prize in Chemistry in 1999.
Contributions Beyond Chemistry
Beyond his scientific endeavors, Zewail was committed to advancing education and scientific research in the Arab world. He served on President Barack Obama’s Council of Advisors on Science and Technology and was appointed as the first U.S. Science Envoy to the Middle East in 2009. Zewail also played a pivotal role in establishing the Zewail City of Science and Technology in Egypt, aiming to cultivate a new generation of scientists and innovators.

Legacy
Ahmed Zewail’s contributions have left an indelible mark on the scientific community. His pioneering work in femtochemistry opened new avenues for research in chemistry and related fields, providing profound insights into the fundamental processes that govern chemical reactions. His dedication to education and science advocacy continues to inspire scientists worldwide.
Categories: Chemistry, Nobel Prize, The Muslim Times