Simcha Blass Simcha Blass Simcha Blass (November 27, 1897 – July 18, 1982; ) was a Polish-Israeli engineer and inventor who developed the drip irrigation system with his son Yeshayahu. Simcha Blass was born in Warsaw, Poland, which was then part of the Russian Empire, to an Orthodox Jewish family. He was active in the Jewish self-defense units organized in Warsaw to defend Jews during the end of World War I. His engineering studies in Warsaw were interrupted by the Polish-Soviet War and completed after that war. During the war, he was recruited to the Polish Army, there he invented for the
Simcha Bunim Cohen the bottom of each page and are "clear, easy to use and authoritative": Because his texts make it easy for those with a limited grasp of Hebrew vocabulary, they appear on numerous "must-read" lists for converts and ba'alei teshuva. Simcha Bunim Cohen Simcha Bunim Cohen is an Orthodox rabbi and author who has written English-language halachic works that deal with the intricate laws of "Shabbat" and Jewish holidays. Rabbi Simcha Bunim Cohen, the grandson-in-law of Rabbi Avigdor Miller, is a senior kollel fellow at Beth Medrash Govoha and lives with his wife and children in Lakewood Township, New Jersey. He