The theory of natural selection, a cornerstone of modern biology, was a joint revelation by Charles Darwin and Alfred Russel Wallace in the 19th century. Their research was propelled by the discovery of ancient, now-extinct fossils and the observation of diverse life forms. Darwin, inspired by his findings on the HMS Beagle’s expedition, particularly the variation in finches across the Galápagos Islands, deduced that certain physical and behavioral traits lead to differential survival and reproduction success, shaping species over time.
In 1858, Darwin and Wallace, working independently, arrived at the same conclusion about natural selection and presented their theory jointly to the scientific community. Darwin’s comprehensive insights were later published in his seminal work, “On the Origin of Species” (1859), which became a subject of both acclaim and controversy, particularly regarding its implications on human evolution.
Today, natural selection is widely recognized as the fundamental process driving evolution, with Darwin celebrated as a key figure in scientific history. This theory not only explains the diversity of life on Earth but also challenges and enriches our understanding of human origins and our connection to the natural world.