Born in 1914 in Kupiškis. He studied alongside some of the most prominent and revered Jewish leaders and rabbis of his time, most notably Rabbi Avraham Duber Kahana Shapiro (author of Devar Avraham). When the Nazis invaded Kaunas in 1941 during World War II, Oshry's community was forced into the Kaunas Ghetto (August 1941-October 1943) and later Kaunas Concentration Camp (October 1943-July 1944). He was an author of the book"The Annihilation of Lithuanian Jewr" and was one of the few European rabbis and poseks to survive the Holocaust. Died on 28 Septembet 2003 in News York.