
By Nyang’au Araka
Truth be said, the discovery of DNA’s double-helix structure is one of mankind’s most fascinating discoveries.
It is a breakthrough that transformed science and forever changed how humanity understands inheritance, identity, and even guilt.
The discovery lost one of its architects, James Dewey Watson recently.
The American molecular biologist often described as “the father of DNA”, died at the age of 97.
Records show that long before genetic testing became the courtroom standard for paternity and criminal cases, Watson and his Cambridge colleague Francis Crick cracked the code of life itself.
Their 1953 paper in Nature revealed the twisting, ladder-like structure of DNA — a revelation that not only explained how traits are passed from parents to children but also paved the way for modern medicine, forensics, and ancestry tracing.
Watson was only 25 when he and Crick, working at the Cavendish Laboratory, unveiled what Crick famously called “the secret of life”.
Their model — two intertwined strands linked by complementary base pairs — became the foundation of molecular biology.
As Reuters noted in its obituary, “the double helix revolutionised everything from medicine to agriculture to criminal justice, ushering in the age of genetics.”
Controversy
In 1962, Watson shared the Nobel Prize in Physiology or Medicine with Crick and Maurice Wilkins for this monumental discovery.
But while the science community hailed him as a genius, his later years were marred by controversy over remarks on race and intelligence.
The Guardian once described him as “a brilliant but polarising figure — celebrated for his discovery, criticised for his opinions.”
Born in Chicago in 1928, Watson was a precocious student who entered the University of Chicago at just 15.
He later joined Harvard, where he trained generations of scientists, and went on to lead the Cold Spring Harbor Laboratory in New York.
His 1968 memoir, The Double Helix, remains one of the most candid scientific autobiographies ever written.
According to People magazine, Watson “died peacefully surrounded by family”, marking the end of an era that began with a cardboard model and ended with the mapping of the human genome.
In a statement, the Cold Spring Harbor Laboratory called him “a pioneer whose vision of genetics changed our understanding of life.”