Rabbi Yissachar Dov [1765-18 Sivan 1843],the "Sabba Kadisha" (holy grandfather) of Radoshitz, was a disciple of the Seer of Lublin and of the Holy Yid of Peshischa. Famed as a miracle maker, he lived in poverty as a simple tutor.     
https://www.ascentofsafed.com/cgi-bin/ascent.cgi?Name=rebbeBios

Chassidic Leader
Descending from the Hilltop
Sava Kadisha of Radoshitz
The Shortest Verse in Torah