Who is the author of nehj-ul-balagha?

The author of Nahj-ul-Balagha is Hazrat Ali (A.S), the first Shia Imam and cousin of the Prophet Muhammad (P.B.U.H). It is a collection of his sermons, letters, and sayings compiled by Sayyid Razi, a prominent Shia scholar, approximately four centuries after the demise of Hazrat Ali (A.S).

Nahj-ul-Balagha is regarded as one of the most significant and influential works in Islamic literature, known for its eloquence, profound wisdom, and deep spiritual insights.