Isaiah Horowitz (Hebrew: ישעיה הלוי הורוביץ; c. 1565 - March 24, 1630 / "11 Nissan 5390" on the Hebrew calendar), was a well-known rabbi and mystic. He is also known as Shelah HaKadosh - "the Holy "Shelah" (של"ה) - from the title of his best-known work. Wikipedia
Isaiah Horowitz ( c. 1 555 - c. 1630), Jewish rabbi and mystic, was born at Prague , and died at Safed, then the home of Jewish Kabbala. 85.1911encyclopedia.org/H/HO/HOROWITZ_ISAIAH.htm
Rabbi Isaiah Halevi Horowitz was born in the well known city of Prague, in the year 5318 (1558) , just over 400 years ago. www.chabad.org/library/article.asp?AID=112346
German cabalist, rabbi, and author; born at Prague about 1555; died at Safed about 1630. At an early age he ... www.jewishencyclopedia.com/view.jsp?artid=908&letter=H
Rabbi Isaiah ben Avraham Ha-Levi Horowitz, known as the Shlah after the title of one of his major works Shnei Luchos Ha-Bris , was a renowned halachist , kabbalist and communal leader. www.jewishvirtuallibrary.org/jsource/biography/shlah.html
The definitive Wikipedia entry for Isaiah Horowitz. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Isaiah_Horowitz
Rabbi Isaiah ben Avraham Ha-Levi Horowitz , known as the Shlah after the title of one of his major works Shnei Luchos Ha-Bris , was a renowned halachist, kabbalist and communal leader. www.ou.org/about/judaism/rabbis/shlah.htm