What is "discoverers"

Usage examples of "discoverers".

And apart from any practical use to be derived from the older medical authors, is there not a true pleasure in reading the accounts of great discoverers in their own words?

It is not expected to raise any standard of perfection, or in any way to hamper individual development, but a body of concentrated opinion may raise the standard by promoting healthful and helpful criticism, by discouraging mediocrity and meretricious smartness, by keeping alive the traditions of good literature, while it is hospitable to all discoverers of new worlds.