Who Had an Influence on Darwin’s Theory of Evolution?


Jane Flores

Charles Darwin is a name that is synonymous with the theory of evolution. Over a century and a half after he first proposed it, the theory still holds up and has been further developed by scientists throughout the years.

However, it’s important to note that Darwin didn’t come up with the idea of evolution on his own. In fact, there were several individuals who had an influence on Darwin’s theory of evolution. Let’s take a closer look at some of them.

Erasmus Darwin

Charles Darwin’s grandfather, Erasmus Darwin, was a physician and natural philosopher who wrote extensively about his theories on evolution. He believed that all life forms had a common ancestor and that they had gradually evolved over time through natural selection. His ideas were quite controversial at the time and were met with much criticism.

Thomas Malthus

Thomas Malthus was an economist who wrote an essay on population growth in which he argued that population growth would eventually outstrip resources, leading to famine and other problems. This idea was important to Darwin because it helped him understand how natural selection works – those organisms that are better adapted to their environment are more likely to survive and reproduce.

John Gould

John Gould was an ornithologist who helped Charles Darwin identify various species of finches during his voyage on the HMS Beagle. These finches played an important role in the development of Darwin’s theory because he noticed that different species had unique beaks adapted for different types of food. This observation led him to deduce that species could change over time based on their environment.

Alfred Russel Wallace

Alfred Russel Wallace was a naturalist who independently came up with a theory of evolution similar to Charles Darwin’s. In fact, he sent his own essay on the subject to Darwin for review in 1858.

The two men’s ideas were so similar that they decided to present their findings together in a joint paper the following year. This paper, along with Darwin’s book “On the Origin of Species,” helped solidify the theory of evolution in scientific circles.


As we can see, Charles Darwin’s theory of evolution was not developed in a vacuum. He was influenced by several individuals who had their own ideas about how species change over time.

Darwin’s genius was in synthesizing these ideas and developing a comprehensive theory that has stood the test of time. By recognizing the contributions of those who came before him, we can gain a deeper appreciation for the complexity and richness of scientific discovery.