Well known it is that The Great and Holy Soul - Rabbi Dovber, the Maagid of Mezritsh became the Rebbe, leader of the Chassidic movement. Truth be told, I had scant knowledge. Apart from the occasional story and "vort" - "wise saying/teaching" - though raised in the wellsprings of Chassidus... I really was oblivious. Of-course, the Great and Holy Maagid founded - for all intents and purposes - the Chassidic...