R. Furst was born in Warsavr, Hungary in 1815. He learned by R. Zevi Hirsch Heller, and married the daughter of R. Abraham Elijah Moses Katz, rav of Petzel. From 1850, he served as Rav in Marash-Varashali, where he also headed a yeshiva. He was considered among the leading rabbis of central Europe in his time, consulting with and consulted by rabbis in Hungary, Galicia, and Transylvania.
הקדמה מאת בן המחבר ר' ישעיה.