French author and philosopher famous throughout Europe for his letters pamphlets plays satires?

You're likely thinking of Voltaire, a French Enlightenment writer, historian, and philosopher famous for his wit, his criticism of the Catholic Church and French institutions, and his advocacy of freedom of religion, freedom of speech, and separation of church and state.

He was prolific in his writing, producing works in many genres, including:

* Letters: His "Letters Concerning the English Nation" were influential in spreading Enlightenment ideas.

* Pamphlets: He wrote numerous pamphlets attacking religious intolerance, superstition, and political corruption.

* Plays: His satirical plays like "Candide" mocked the hypocrisy and absurdity of society.

* Satires: His writings were often satirical, using wit and irony to expose the flaws of his time.

Voltaire's influence extended far beyond France and made him one of the most important figures of the Enlightenment.