Ahmed Zewail

Biography

Ahmed Hassan Zewail was an Egyptian-American chemist born on February 26, 1946, in Damanhur, Egypt. He changed the field of chemistry with his work in femtochemistry, earning him the title of the father of this discipline and the 1999 Nobel Prize in Chemistry. His research allowed scientists to observe chemical reactions in real-time using ultrafast laser technology, giving new insights into molecular behavior at the femtosecond timescale.

Zewail got his undergraduate degree at Alexandria University in Egypt and then went on to graduate studies at the University of Pennsylvania, where he earned his PhD. He had a successful academic career at the California Institute of Technology (Caltech), where he was a professor of chemistry and physics. At Caltech, he was the first faculty member to hold the Linus Pauling Chair of Chemical Physics and led the Physical Biology Center for Ultrafast Science and Technology.

His scientific work went beyond femtochemistry to include important studies in physical chemistry and molecular physics. Zewail's team developed techniques using femtosecond laser pulses to capture the movement of atoms during chemical reactions, creating molecular movies that showed how bonds break and form. This work paved the way for better understanding of catalysis, biological processes, and material properties at the molecular level.

Throughout his career, Zewail earned many top awards and honors, such as the Wolf Prize in Chemistry (1993), Benjamin Franklin Medal (1998), and the Priestley Medal (2009). He was the first Egyptian and Arab scientist to win a Nobel Prize in a scientific area, and the first African to receive the Nobel Prize in Chemistry. His work brought worldwide attention to Arab and African contributions to science.

Zewail remained involved in promoting scientific education and research in the developing world until his death on August 2, 2016, in Pasadena, California. He pushed for more investment in science and technology across the Middle East and Africa, believing that scientific progress was key to regional development and progress.