Rabbi David Samson is one of the leading English-speaking Torah scholars in the Religious-Zionist movement in Israel. He has co-authored four books on the writings of Rabbi Avraham Yitzchak Hacohen Kook and Rabbi Tzvi Yehuda Kook. Rabbi Samson learned for twelve years under the tutelage of Rabbi Tzvi Yehuda Kook. He served as Rabbi of the Kehillat Dati Leumi Synagogue in Har Nof, Jerusalem, and teaches Jewish Studies at Mercaz HaRav Yeshiva Institutions.
Tzvi Fishman was a successful Hollywood screenwriter before making Aliyah to Israel in 1984. He has co-authored several Torah works with Rabbi David Samson and written several books on Jewish/Israel topics.