A darwinist is a proponent of the theory put forward by Charles Darwin of the Origin of Species by natural selection which is sometimes called Darwinism. Many now see this as a subset of the modern theory of biological evolution. In his lifetime Charles Darwin gained international fame as an influential scientist examining controversial topics. ... The title page of the 1859 edition of On the Origin of Species. ... Natural Selection is the phrase Charles Darwin used in 1859 in his book The Origin of Species to name the natural process he proposed to be responsible for the origin of new species and the adaptation of organisms to their environments. ... Charles Darwin Darwinism is a term for the underlying theory in the ideas of Charles Darwin, particularly concerning evolution and natural selection. ... A speculative phylogenetic tree of all living things, based on rRNA gene data, showing the separation of the three domains, bacteria, archaea and eukaryotes. ...

Later developments in the study of biological evolution have placed a different stress on the processes of evolution and the term Neo-Darwinist is sometimes used to cover this area. Some claim the term is out of date as modern day evolution theory includes areas such as genetics that were beyond what Darwin understood. Modern experts in evolution theory would generally be described as evolutionary biologists or evolutionary scientists. The modern evolutionary synthesis (often referred to simply as the modern synthesis or the evolutionary synthesis), neo-Darwinian synthesis or neo-Darwinism, generally denotes the combination of Charles Darwins theory of the evolution of species by natural selection, Gregor Mendels theory of genetics as the basis for biological... Genetics (from the Greek genno γεννώ= give birth) is the science of genes, heredity, and the variation of organisms. ...

The term "Darwinist" is often used by creationists in the same way as they use the word "evolutionist", as a term to portray "evolutionary biology" as a doctrine or belief, or to portray "evolutionism" as the same thing as atheism. However, in some groups — such as evolutionary scientists in the United Kingdom — the term "Darwinist" carries no derogatory connotations. The Creation of Light by Gustave Doré. In Abrahamic religions, creationism or creation theology is the origin belief that humans, life, the Earth, and the universe were created by a supreme being or deitys supernatural intervention. ... Evolutionism, from the Latin evolutio, unrolling, refers to theories that certain things develop or change as natural (unplanned) outgrowths of those that existed before, in contrast to beliefs that these things are fixed and immutable. ... Atheism, in its broadest sense, is an absence of belief in the existence of gods. ...