Biography
The sage known as the Chofetz Chaim lived from 1838 to 1933 and was active in Raduń and Dzyatlava. The supplied structured record connects him to a circle of teachers and identifies Elchonon Wasserman among those who learned from him.
He is most identified as the author of the Mishna Berurah, written in the late 1800s and completed by the early 1900s, is the go-to contemporary work of halacha. The Mishna Berurah follows the chapters of the Shulchan Aruch – Orach Chayim, and provides modern times minhagim (customs) and laws. You can learn the Mishna Berura in its entirety here in our library section, as a stand-alone book, and as interlaced with the Shulchan Aruch and other mefarshim/nosey keilim.
Sources & notes. Dates, places, teachers, and student per Wikidata.
רבי ישראל מאיר הכהן קגן מראדין המכונה "החפץ חיים" על שם ספרו, היה מחשובי הרבנים בדור שלפני השואה, מייסד וראש ישיבת ראדין ומחבר הספרים משנה ברורה, שמירת הלשון והחפץ חיים.
The Sefer Chofetz Chaim is a book by Rabbi Yisrael Meir Kagan, who is also called "the Chofetz Chaim" after it. The book deals with the Jewish laws of speech.
On Wikipedia: עברית · English — summary from Wikipedia, CC BY-SA