Today, on the 7th of Elul, is the Yahrtzeit of Rabbi Reuven Margulios (1889-1971).

Author of over 50 books & sefarim, many of which are very unique including Malachei Elyon (an encyclopedia on angels), Margoliyos HaYam (on Maseches Sanhedrin), Nefesh Chaya (on Shulchan Aruch), Nitzotzei Zohar (a commentary on the Zohar).