An Enquiry Concerning Human Understanding was created in 1748.

"An Essay Concerning Human Understanding" was written by John Locke and first published in 1689.

An Enquiry Concerning the Principles of Morals was created in 1751.

The author of "An Essay Concerning Human Understanding" is John Locke, an influential English philosopher who is known as one of the founders of empiricism. The essay is one of his major works and explores the nature of human knowledge, understanding, and the mind.

The Essay Concerning Human Understanding was written by English philosopher John Locke, and it was first published in 1689. In the essay, Locke explores the nature of human understanding and knowledge, arguing that it is through experience that individuals gain knowledge.