George Wald
Nobel Lecture
Nobel Lecture, December 12, 1967
The Molecular Basis of Visual Excitation
Read the Nobel Lecture
Pdf 286 kB
Nobel Prizes and laureates
Six prizes were awarded for achievements that have conferred the greatest benefit to humankind. The 12 laureates' work and discoveries range from proteins' structures and machine learning to fighting for a world free of nuclear weapons.
See them all presented here.
Explore prizes and laureates
Look for popular awards and laureates in different fields, and discover the history of the Nobel Prize.