Mourning in the Academic World: Author of the Hasidism Encyclopedia and Honorary Citizen of Tel Aviv Passes Away

Born in Tel Aviv and closely connected to the Gur Hasidic dynasty, Dr. Yitzhak Alfasi leaves behind dozens of books and exceptional historical studies that earned him immense respect in both academic and religious circles.

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Mourning in the Academic World: Author of the Hasidism Encyclopedia and Honorary Citizen of Tel Aviv Passes Away
Photo: מערכת ice | 28/8/2026 2:47 עקבו אחרינו בגוגל

The world of research said goodbye yesterday, Thursday, to one of the most prominent figures dedicated to documenting the history of the Hasidic movement. Dr. Yitzhak Alfasi, a researcher, lecturer, and author of more than 90 books, passed away at the age of 96, leaving behind a monumental body of work.

For decades, Rabbi Alfasi dedicated his life to collecting information and documenting the life stories of Admorim, rabbis, and Hasidim. His systematic work covered thousands of figures, many of whom might have vanished from history were it not for his research. His writings explored Hasidic courts, philosophy, and the connections between the Hasidic movement, Zionism, and immigration to the Land of Israel.

Alfasi was born in Tel Aviv in 1929, on the night of Yom Kippur, into a family connected to the Gur Hasidic dynasty. His father, Israel Alfasi, was a prominent Gur Hasid and one of the city's early industrialists. Throughout his life, Rabbi Alfasi remained close to the Admorim of the Gur house while pursuing an exceptional academic career. He dedicated his doctoral thesis at Bar-Ilan University to the subject of "Hasidism and the National Awakening." Later, he served as a lecturer at Bar-Ilan University and the "HaShachar" college, while also holding various public positions.

His influence is also evident in the world of Sabbath bulletins. He was a founder of the "Shabbat BeShabbato" bulletin and served as its first editor for a decade, from 1984 to 1994. The publication is considered a pioneer of weekly Torah portion bulletins in Israel.

Among his many notable works are:

  • "Encyclopedia of Hasidism"

  • "Hasidism and the Return to Zion"

  • "Hasidism and the Land of Israel"

  • "Hasidism from Generation to Generation"

  • "The Hasidic Story and Deed"

  • "The Teachings of Hasidism"

  • "Tiferet ShebeMalchut"

  • "Tiferet ShebeTiferet"

Despite the immense scope of his work, Rabbi Alfasi performed most of his documentation using traditional methods. He once described his process: "We are from the previous generation. Everything was written by hand, without computers and without assistants."

Over the years, he was awarded the Rabbi Kook Prize for religious literature and was named an honorary citizen of Tel Aviv. He leaves behind a vast historical repository on the world of Hasidism, its leaders, and its figures.

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