The concept of "first man" is a complex one that depends on how you define "man" and "created by nature." There isn't a singular, definitive answer, as it touches on both scientific and religious beliefs.

Here's a breakdown:

From a scientific perspective:

* Evolutionary Theory: Humans evolved over millions of years from earlier hominid species. There isn't a specific point where "the first man" appeared, as evolution is a gradual process. The concept of a single first human is not supported by scientific evidence.

* Fossil Evidence: The oldest known hominid fossils date back to millions of years ago. The exact species that marks the transition to what we consider "human" is debated among scientists.

* Genetics: Genetic studies show that all humans share a common ancestor, but pinpointing a specific individual as the first is impossible.

From a religious perspective:

* Creation Myths: Many religions have stories about a divine creator creating the first humans. The exact details vary depending on the belief system.

* Examples: In the Abrahamic religions (Judaism, Christianity, Islam), the first man is often said to be Adam, created by God.

Therefore, there's no single answer to your question. It depends on your perspective and whether you're seeking a scientific or religious explanation.