Charles Darwin

Charles Robert Darwin was an English naturalist, geologist, and biologist who changed how we understand life on Earth. Born on February 12, 1809, Darwin grew up loving nature, but decided not to pursue medicine. Instead, he studied natural science and went on a famous five-year voyage on the ship HMS Beagle. During this trip, he made many important observations about plants, animals, and rocks that helped him develop new ideas about how life changes over time.

Darwin’s most important idea was called natural selection. He noticed that animals with traits that help them survive are more likely to live longer and have babies. Over many years, this creates new types of animals and plants. He shared this idea in 1859 in his book On the Origin of Species, which became very famous and important.

Darwin’s work helped scientists understand that all living things come from a few common ancestors and change slowly over very long periods. His ideas are still used today and are the foundation of biology. Darwin passed away on April 19, 1882, but his discoveries continue to influence how we study and appreciate the natural world.

Biography

Early life and education

Charles Robert Darwin was born on 12 February 1809 in The Mount, in Shrewsbury, Shropshire. He was the fifth of six children of Robert Darwin and Susannah Darwin. His grandfathers were both prominent abolitionists. Erasmus Darwin had praised concepts of evolution and common descent in his Zoonomia (1794).

Both families were largely Unitarian, though the Wedgwoods were adopting Anglicanism. Charles attended the local Unitarian Church with his mother. He developed an early interest in natural history and joined the day school run by its preacher in 1817. Later, he attended the Shrewsbury School as a boarder.

Darwin spent time as an apprentice doctor before attending the University of Edinburgh Medical School with his brother Erasmus. He found lectures dull and turned to natural history, learning taxidermy from John Edmonstone, a Black Briton from Demerara in the rainforest.

Survey voyage on HMS Beagle

Further information: Second voyage of HMS Beagle

Darwin joined HMS Beagle on a survey expedition to chart the coastline of South America. The voyage lasted almost five years. Darwin spent most of his time on land, investigating geology and collecting natural history specimens. He kept detailed notes of his observations.

On their first stop at St Jago in Cape Verde, Darwin found seashells in volcanic rock cliffs. In Brazil, he was disturbed by the sight of slavery there. In Patagonia, he discovered fossil bones of huge extinct mammals. In Tierra del Fuego, he met indigenous people and reflected on human origins.

Inception of Darwin's evolutionary theory

Further information: Inception of Darwin's theory

After returning from the Beagle voyage, Darwin began developing his theory of evolution. He was influenced by Malthus's ideas on population and the struggle for existence. Darwin realized that favorable variations would be preserved, leading to the formation of new species through natural selection.

Overwork, illness, and marriage

Further information: Health of Charles Darwin

Darwin's work on his theory was intense, and he suffered from health issues, including stomach problems and heart symptoms. He married his cousin Emma Wedgwood in 1839, and they had ten children, seven of whom survived to adulthood.

Malthus and natural selection

Darwin's reading of Malthus's An Essay on the Principle of Population helped him formulate his theory of natural selection. He compared the struggle for existence in nature to selective breeding by farmers, leading to the idea that nature selects favorable variations.

Geology books, barnacles, evolutionary research

Further information: Development of Darwin's theory

Darwin continued his research on evolution while writing books on geology. He studied barnacles extensively, which supported his theory of evolution. His work on coral reefs and other geological topics contributed to his understanding of natural processes.

Publication of the theory of natural selection

Further information: Publication of Darwin's theory

In 1859, Darwin published On the Origin of Species, presenting his theory of natural selection. The book was well-received and sparked widespread discussion. Darwin explained how species evolve through the survival of the fittest in a struggle for existence.

Responses to publication

Further information: Reactions to On the Origin of Species

The publication of The Origin of Species aroused international interest. While some scientists and religious leaders opposed the idea, many supported it. Darwin's theory challenged existing beliefs about the fixed nature of species and sparked debates about evolution and human origins.

Descent of Man, sexual selection, and botany

Further information: Orchids to Variation, Descent of Man to Emotions, and Insectivorous Plants to Worms

Darwin continued his work on evolution, publishing The Descent of Man, and Selection in Relation to Sex in 1871. He explored human evolution, sexual selection, and the continuity between humans and animals. His studies on plants, including orchids and insectivorous plants, further demonstrated the power of natural selection.

Death and funeral

See also: Darwin from Insectivorous Plants to Worms § Death

Darwin died at Down House on 19 April 1882, aged 73. Despite his expectations of a simple burial, he was honored with a funeral in Westminster Abbey, close to notable figures like Isaac Newton. The funeral was attended by thousands, including family, friends, and dignitaries.

Children

Further information: Darwin–Wedgwood family § Charles Darwin

Charles Darwin and his wife, Emma Wedgwood, had ten children together. Sadly, two of them passed away when they were very young, and the loss of their daughter Annie at age ten was very hard on the family. Charles was a loving and caring father, always worried when his children were sick. He even thought their health might be affected by him and Emma being closely related, a topic he wrote about in his work.

One of their last children, Charles Waring, was born when Emma was 48 years old. He faced health challenges and may have had what we now recognize as Down syndrome, though this wasn't understood at the time. He passed away from scarlet fever at a young age. Three of Darwin’s other sons, George, Francis, and Horace, achieved great success in science and engineering, while another son, Leonard, had a distinguished career in many fields.

Views and opinions

Religious views

Further information: Religious views of Charles Darwin

Charles Darwin grew up in a family that did not follow strict religious rules, though his father and grandfather did not follow any religion at all. At first, Darwin believed every word in the Bible was true. However, after his travels and studies, he began to question the Bible's accuracy and wondered why some religions were considered better than others.

Darwin struggled with the idea of a powerful, kind creator because he saw much pain and suffering in the world. Even so, he could not fully give up the idea of a higher power. In letters, he described himself as not an atheist but somewhere in between — what some call an agnostic.

Human society

Darwin came from a family that believed in fair treatment for all people. He strongly opposed slavery and believed all people, no matter their skin color, had the same feelings and abilities. His experiences with native people during his voyages changed his views — he came to believe that all humans shared similar emotions and mental abilities.

Darwin also thought about how society could improve. He worried that helping only the weak might reduce the benefits of natural selection, but also believed that our sense of sympathy — caring for others — was very important. He preferred to highlight the importance of inheritance and let people decide for themselves how to use this knowledge.

Evolutionary social movements

Further information: Eugenics, Social effects of evolutionary theory, and Degeneration theory

Charles Darwin became famous for his ideas about how animals and plants change over time. Because of this, his name was sometimes used in arguments about society and politics, even when his own views were different.

Some people used Darwin’s ideas to support things like free-market economics and colonialism, while others used them to argue for cooperation and social reform. After Darwin’s time, the idea of eugenics — trying to improve human traits through controlled reproduction — became popular, leading to some harmful policies in different countries. The term “Social Darwinism” was later used to criticize certain political ideas that claimed to be based on evolution.

Works

Charles Darwin wrote many important books. Even without his famous work on evolution, he was well-known for his book The Voyage of the Beagle, his studies of rocks in South America, and his research on barnacles. Besides On the Origin of Species, his books The Descent of Man and The Expression of the Emotions in Man and Animals were also very influential. He also wrote interesting books about plants, including The Power of Movement in Plants, and his last book, The Formation of Vegetable Mould through the Action of Worms, was an important study.

Legacy and commemoration

Further information: List of things named after Charles Darwin, List of taxa described by Charles Darwin, and Commemoration of Charles Darwin

Charles Darwin changed how we think about life on Earth. Scientists today agree that his ideas about evolution shaped our understanding of nature. Many places, plants, and animals are named after him, like Darwin Sound and Mount Darwin.

In 1908, scientists began giving out the Darwin–Wallace Medal to honor his work. Darwin's picture appeared on British banknotes from 2000 to 2017, and museums have statues and special displays to remember his contributions to science.