Ahmed Hassan Zewail (February 26, 1946 - August 2, 2016) was an Egyptian and American chemist, known as the "father of femtochemistry".

The American Academy of Arts and Sciences (AAA&S) is one of the oldest learned societies in the United States.

The American Association for the Advancement of Science (AAAS) is an American international non-profit organization with the stated mission of promoting cooperation among scientists, defending scientific freedom, encouraging scientific responsibility, and supporting scientific education and science outreach for the betterment of all humanity.

The American Cancer Society (ACS) is a nationwide non-profit organization dedicated to eliminating cancer.

The American Society for Cell Biology (ASCB) is a professional society that was founded in 1960.

Biochemistry is a branch of science that explores the chemical processes and substances that occur within living organisms.

Biophysics is an interdisciplinary science that applies approaches and methods traditionally used in physics to study biological phenomena.

A chromosome is a structure found in the cells of organisms that carries their genetic information.