This week is the yahrtzeit of these three Gedolim and Tzadikim.
The Yahrtzeit of the Gaon Of Preshburg, Harav Moshe Sofer, zt'l known as the Chasam Sofer.
The Ksav Sofer zt'l was his Son, the Chasan Sofer, zt'l was his son in Law.
Maran Hatzadik Harav Levi Yitzchok of Bardichev, Zt'l.
The "Bardichiver" was known for his Limud Zechus on all Yidden even overei aveira.
The Great Tzadik the great Poel Yeshuos, the Ribnitzer Rebbe, zt'l.