Israel Meir Kagan , known popularly as the Chofetz Chaim , was an influential rabbi of the Musar movement, a Halakhist, posek, and ethicist whose works continue to be widely influential in Jewish life.
Kagan was born in Dzyatlava, Grodno Governorate, Russian Empire , on January 26, 1839, and died in RadunRadu, Wilno Voivodship in Poland on September 15, 1933. His surname, Poupko, is not widely known. His home town, Dzyatlava, was once named Zdzicio when it was part of the PolishLithuanian Commonwealth until the time of the partitions of Poland. When Kagan was ten years old, his father died. His mother moved the family to Vilnius in order to continue her sons education. While in Vilnius, Kagan became a student of Rabbi Jacob Barit. Kagans mother later remarried and moved to Radin. At 17, he married the daughter of his stepfather, and settled in Radin.
Source: Wikipedia