Ahmed Zewail, Egyptian-American chemist and academic, Nobel Prize laureate (died 2016)

Ahmed Hassan Zewail was an Egyptian-American chemist, known as the "father of femtochemistry". He was awarded the 1999 Nobel Prize in Chemistry for his work on femtochemistry and became the first Egyptian and Arab to win a Nobel Prize in a scientific field, and also the first African to win a Nobel Prize in Chemistry. He was a professor of chemistry and physics at the California Institute of Technology (Caltech), where he was the first Caltech faculty member to be named the Linus Pauling Chair of Chemical Physics and served as the director of the Physical Biology Center for Ultrafast Science and Technology.

The Nobel Prize in Chemistry is awarded annually by the Royal Swedish Academy of Sciences to scientists in the various fields of chemistry. It is one of the five Nobel Prizes established by the will of Alfred Nobel in 1895, awarded for outstanding contributions in chemistry, physics, literature, peace, and physiology or medicine. This award is administered by the Nobel Foundation and awarded by the Royal Swedish Academy of Sciences on proposal of the Nobel Committee for Chemistry, which consists of five members elected by the Academy. The award is presented in Stockholm at an annual ceremony on December 10th, the anniversary of Nobel's death.