Rav Kook Ate Manischewitz Matzah
According to this (Hebrew) article from Musaf Shabbat by Rabbi Prof. Neriyah Gotel, Rav Kook was an enthusiastic consumer of machine-made Manischewitz matzah while he was in London during WW I. The article describes the different versions of a letter by Rav Kook that were published in different editions of Igrot Ha-Ra’ayah, one that includes [...]