Rabbi Jacob Leib Davidson

Author of book Sefer Rav HaChovel.

Obituary in Jewish Chronicle:

Rabbi J. UNTERMAN writes: The South Tottenham Jewish community last week lost one of its oldest and most revered members, Rabbi. Jacob Leib Davidson. He was 85. A Talmudic scholar of wide renown, Rabbi Jacobson was formerly the head of a yeshiva in Warsaw, and for many years taught at the Yeshiva Etz Chaim, London. He conducted shiurim for congregations in the East End and other parts of London, and served 'as a shochet for the London Board of Shechita. He was the author of "Sefer Rav Hachovel,-' a recent work on Halacha and Aggada.

See: https://jewishmiscellanies.com/2020/11/14/sefer-rav-hachovel-by-rab...