31 Surprising Charles Darwin Facts That Reveal The Man Behind The Theory Of Evolution

Published May 25, 2017
Updated August 8, 2017

Charles Darwin, the father of evolution, pioneered what may be both the most well-known and most controversial theory in the history of science. But there’s even more to the man than just a great scientific brain — and these 31 fascinating Charles Darwin facts prove it:

Charles Darwin Facts Portrait
Despite developing the theory of evolution and changing science forever, Darwin was a slow learner as a child. He also described himself as lazy, clumsy, and naughty.Wikimedia Commons

Abolitionist Relatives
He was the grandson of two prominent abolitionists. On his father’s side: Erasmus Darwin (left), and on his mother’s side, Josiah Wedgwood (right).Wikimedia Commons

Flower Experiment
His interest in plants and the natural world may have been sparked by his mother, Susannah, showing him a simple experiment that changed the hue of flowers by feeding them colored water.Pixabay

Child Darwin
Susannah died when Darwin was only eight years old.

Pictured here is the earliest known rendering of him, the year before his mother's death, at age seven.
Wikimedia Commons

Darwin Dog
From an early age, Darwin was a dog lover, and he went on to become one of the first scientists to write about emotions in non-human animals.Wikimedia Commons

Microscope Scalpels
Darwin had quite an unfortunate nickname among his classmates: “Gas Darwin.”

The name alluded to his producing different gasses through chemical reactions in a small garden shed chemistry lab he shared with his brother.

Pictured: Darwin's study at Down House, Bromley, Kent.
Carl de Souza/AFP/Getty Images

Charles Darwin Facts Fish
Darwin’s father, Robert, was dismayed that the boy didn’t focus on schooling, and once told him that he "cared for nothing but shooting, dogs, and rat-catching, and you will be a disgrace to yourself and all your family."Greg Wood/AFP/Getty Images

Skull Microscope
Darwin studied taxidermy as a young man, under the instruction of John Edmonstone, a freed black slave from Guyana.

Pictured: The desk in Darwin's study at Down House, Bromley, Kent.
Carl de Souza/AFP/Getty Images

Thirty One Years
Darwin was tone-deaf. He had trouble recalling tunes he’d heard just days prior, and couldn’t keep time with music — even as it was playing. Despite this, he enjoyed the music of Mozart, Handel, and Beethoven.

Pictured: Darwin at age 31.
Wikimedia Commons

Skull Photo
Darwin did not set out to become a naturalist. In fact, his father sent him to medical school, but here it was discovered that Darwin couldn’t stand the sight of blood. He started spending more and more time indulging his naturalist hobbies.

Pictured: A scene from the Darwin museum at Down House, Bromley, Kent.
Carl de Souza/AFP/Getty Images

Scientific Portrait
While in medical school, Darwin joined the Plinian society, a natural science club. There he gave his first speech – on the marine biology of an estuary just north of Edinburgh.

Pictured: Darwin photo from the Literary and Scientific Portrait Club, which he joined in 1855.
Wikimedia Commons

Vanity Fair Caricature Darwin
Noticing his lack of enthusiasm for medicine, Darwin's father took him out of medical school. As a last-ditch move, he enrolled his son into Christ’s College in Cambridge to get a Bachelor’s degree as a first step to becoming a priest or member of the clergy.

Pictured: Caricature of Charles Darwin from Vanity Fair in 1871.
Wikimedia Commons

Magnified Beetles
Darwin’s cousin introduced him to beetle collecting, an activity he pursued with great passion, even having some findings published in Stevens' Illustrations of British Entomology.Mario Tama/Getty Images

John Stevens Henslow Portrait
It was through this burgeoning beetle hobby that Darwin met botany professor John Stevens Henslow (pictured), who would become his mentor.Wikimedia Commons

Hms Beagle Painting
Henslow secured Darwin a place on the HMS Beagle, a ship in the Royal Navy that was heading out to chart the South American coastline. He was originally brought aboard to be the ship’s naturalist, but the job he performed was more in line with that of a geologist, collecting and charting specimens from the coast.

Pictured: The HMS Beagle in the seaways of Tierra del Fuego.
Wikimedia Commons

Darwin Finches Heads
The proposed two-year trip aboard the HMS Beagle turned into a lengthy, five-year expedition. Some say that the most important part of the trip was the time spent in the Galapagos Islands, where Darwin noticed that there were indigenous animals (like the finch, pictured) that displayed various traits to help them better survive in their environments.Wikimedia Commons

Painting Book
Still a religious man towards the beginning of the trip, Darwin was known to quote Bible passages to the rowdier sailors.Peter Macdiarmid/Getty Images

Seated Eyebrows
His religious zeal began fading a bit as he saw firsthand the effects of slavery during his travels.Wikimedia Commons

Original Letters
On October 2, 1836, the HMS Beagle returned to England. Darwin walked onto land already something of a celebrity among scientists, as John Stevens Henslow had distributed Darwin’s letters about geology to them as pamphlets.

Pictured: Letters from Darwin to Henslow from 1833, exhibited at the Royal Botanic Gardens, Kew in London.
Peter Macdiarmid/Getty Images

Charles Darwin Facts Museum
Darwin’s father shuffled some investments around so that his son could become a “gentleman” scientist — one that is self-funded and not tied to a university or other establishment.

Pictured: Statue of Darwin from the Natural History Museum in London.
Pixabay

Man Worm
Now off and running as a scientist, for the entire year of 1837, Darwin was buried in work and his health suffered under all the stress. He experienced heart palpitations and was told to go live in the country for a few weeks. He traveled to Staffordshire to visit relatives and encountered a cousin of his, who was caring for her invalid aunt.

Pictured: Drawing of Darwin for Punch magazine, 1892.
Wikimedia Commons

Emma Wedgwood Darwin Cousin
Darwin married that cousin, Emma Wedgewood (pictured), two years later, in 1839. In true scientific fashion, he made a pros and cons list about married life. The pros won out, and he proposed. Despite its less-than-romantic beginnings, the marriage was a happy one and produced ten children.Wikimedia Commons

William Erasmus Darwin Son
Darwin was different than most fathers of the time. Not at all distant or disapproving, he was a thoughtful and attentive parent. One of his daughters would later write, "He cared for all our pursuits and interests, and lived our lives with us in a way that very few fathers do. But I am certain that none of us felt that this intimacy interfered the least with our respect and obedience. Whatever he said was absolute truth and law to us. He always put his whole mind into answering any of our questions."

Pictured: Darwin with son, William Erasmus, in 1842.
Wikimedia Commons

Thinking Path
While tending to his young children, the framework of Darwin’s theory of evolution was already in place by 1840. He worked tirelessly for 15 years investigating it, all while doing other writing and publishing reports on the natural collections that he amassed while on the HMS Beagle.

Pictured: A path on the grounds of Darwin's home.
Wikimedia Commons

Hydrotherapy
Despite or perhaps because of his tireless scientific efforts, Darwin was a victim of chronic poor health, and began hydrotherapy in 1849.Wikimedia Commons

Annie Darwin Portrait
When one of Darwin's daughters, Annie (pictured), fell victim to poor health herself, he tried to treat her scarlet fever with hydrotherapy. Nevertheless, she died in 1851. The event is said to have rocked Darwin's faith to the core, and he stopped attending church.Wikimedia Commons

Ape Legs
Darwin was never an atheist, but was not religious at all during his later years. He still believed in a “first cause,” but held that it was beyond human comprehension.

Pictured: A caricature of Charles Darwin as an ape published in The Hornet, a satirical magazine.
Wikimedia Commons

Species Face
Darwin published his most famous book, On the Origin of Species, not for scientists, but for the non-specialist reader — and it created quite a buzz among the public.

Pictured: On the Origin of Species stands in front of a stone bust of Charles Darwin at London's Natural History Museum.
Shaun Curry/AFI/Getty Images

Origin First Copy
The entire stock of the book quickly sold out, and more copies had to be requested.

Pictured: A first edition copy of On the Origin of Species.
Dan Kitwood/Getty Images

Glasses Book
It’s said that Darwin may have gone back to religion on his deathbed, but this rumor has been dispelled by his wife, who said he was still agnostic until the end. For Darwin, there was never a conflict between religion and science. Religion was deeply personal, and science was completely separate.Shaun Curry/AFP/Getty Images

Darwin Grave Wreath
Darwin’s theory of natural selection still stands as the accepted mechanism of evolution. It is considered the foundation of evolutionary biology, and explains the diversity of life on Earth today.

Pictured: A wreath of plants from Charles Darwin's garden on his grave at London's Westminster Abbey in 2009.
Peter Macdiarmid/Getty Images


Next, watch this three-minute breakdown of all the evidence of evolution you can find right on your own body. Then, delve deeper into Darwin and On the Origin of Species. Finally, check out 24 Isaac Newton facts you've never heard before.

author
Erin Kelly
author
An All That's Interesting writer since 2013, Erin Kelly focuses on historic places, natural wonders, environmental issues, and the world of science. Her work has also been featured in Smithsonian and she's designed several book covers in her career as a graphic artist.
editor
John Kuroski
editor
John Kuroski is the editorial director of All That's Interesting. He graduated from New York University with a degree in history, earning a place in the Phi Alpha Theta honor society for history students. An editor at All That's Interesting since 2015, his areas of interest include modern history and true crime.
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Kelly, Erin. "31 Surprising Charles Darwin Facts That Reveal The Man Behind The Theory Of Evolution." AllThatsInteresting.com, May 25, 2017, https://allthatsinteresting.com/charles-darwin-facts. Accessed May 22, 2024.