יהושע פלק כץ

Yehoshua ben Alexander HaCohen Falk was a Polish Halakhist and Talmudist, best known as the author of the Drisha and Prisha commentaries on the Arba'ah Turim as well as Sefer Me'irat Enayim (סמ"ע) on Shulkhan Arukh. His name also occurs as the Hebrew acronyms רפ"כ ("RaFaC"), מהרו"כ ("Ma-HaRWaC"), and מהר"י כ"ץ.