Today, the 15th of Sivan, marks the Yahrtzeit of Rav Yitzchok Dov Koppelman ZT”L, Rosh Yeshiva of Lucerne.

Rav Koppelman was born in Vasilishki, Belarus. He was the Rosh Yeshiva of the Lucerne Yeshiva in Switzerland for nearly 50 years from 1963.