James Watson, co-discoverer of DNA double helix, dies at 97

James Watson, Co-Discoverer of DNA Double Helix, Dies at 97

James Watson, the American molecular biologist who co-discovered the double-helix structure of DNA and won the 1962 Nobel Prize, has passed away at the age of 97.

Scientific Breakthrough

In the spring of 1953, Watson and fellow scientist Francis Crick published their description of the twisting ladder-like double-helix structure of deoxyribonucleic acid (DNA) in the British journal Nature. This was the first time the DNA molecule—carrying the genetic information of all living organisms—was revealed, revolutionizing understanding of evolution and heredity.

Legacy and Controversy

While often hailed as a pioneer of genetics, Watson's legacy was marred by allegations of uncredited contributions and his racist and sexist remarks, which overshadowed his scientific achievements in later years.

"I made the discovery of the century. Suddenly to see the molecule which is responsible for heredity, and which makes possible human existence, was a very big step in man's understanding of himself in the same sense that Darwin knew that the human species wasn't fixed, that we were changing. It was bound to affect your attitude to everything."

Impact on Science and Society

Their discovery laid the foundation for mapping the human genome and transformed how scientists approach questions about human origins and inherited diseases.

Despite the controversies, Watson’s work remains a cornerstone in molecular biology and genetics.

Summary

James Watson’s landmark discovery of DNA’s double-helix structure redefined biology, though his legacy is complicated by later controversies involving his personal views.

National Geographic — 2025-11-07