Rabbi Moshe ben Maimon (Rambam, Maimonides — see 2nd article) and the great Moroccan Jewish Kabbalist, Rabbi Yaakov Abuhatzeira (see 1st article) both have yahrzeits this Sunday night - Monday., while the yahrzeit of Rabbi Shneur-Zalman, first in the Chabad dynasty (see 3rd article) falls on Erev Shabbat.
Articles #4-6 are teachings from the 'Holy Ari' of Tzefat, the Maharal of Prague and the Lubavitcher Rebbe, respectively.