צבי אלימלך שפירא

Tzvi Elimelech Spira of Dinov (צבי אלימלך שפירא מדינוב) (1783-1841) was a leading Hasidic Rebbe in Poland, founder of the Dinov Dynasty. He was a prolific writer, best known as the author of Bnei Yissachar, by which title he is also called. He is also referred to by the Hebrew acronym מהרצ"א.