Rabbi Mordechai Kuber
Rabbi Mordechai Kuber is the rav of Congregation Nachlas Tzvi Ohel Avraham in Telz-Stone, Israel and a fixture in the Mir Yeshiva in Jerusalem. He is also a kashrus veteran, a writer, and a teacher, and travels frequently to the Far East.
Dovid Gelb –
This sefer goes through a complete description of the background and makes sure that the reader clearly understands all the issues and then thoroughly explains all the different approaches. The information is presented in a very organized and thought out approached.