Yitzhak Yaakov Yellin

His uncle, Aryeh Leib Yellin, most known as the author of the Yefeh 'Enayim parallel passages of the Talmudic text, was a Polish rabbi.

His father, a proofreader and Torah scribe, known by the alias Zvi Hirsch Sofer, was one of the founders of the Mishkenot Yisrael neighborhood in Jerusalem.

Yitzchak Yaakov Yellin also served for many years as a teacher of the Hebrew language, grammar and mathematics at the Yeshiva Etz Haim.

In addition, Yellin wrote and published a detailed book about grammar as an element in the Halakha (Jewish Law).

Yitzhak Yaakov Yellin died on Alef of Iyar, 1964, in the Jerusalem neighborhood of Kiryat Moshe, of which he was one of the founders.

Yitzhak Yaakov Yellin at his desk, Jerusalem, Israel
The Yellin House at Kiryat Moshe, Jerusalem.
"The Zionist" weekly Newspaper published by Yitzhak Yaakov Yellin.