I have heard that in the Orthodox world rabbis that teach are referred to as "Rabbi" even though they might not have semicha. Even several roshei yeshivah might not have semicha. can this be true?
Rav Nissan Kaplan is one of the Rashei Yeshiva at the Mir in Jerusalem, teaches English-speaking students in Walmark (וולמארק), which is one of the two batei midrash in the Bet Yeshaya building, ...
Monsieur Chouchani was a mysterious figure who travelled around post-World War II and taught several great Jewish thinkers, including Emmanuel Levinas z"l and [yibadel l'chayim] Elie Wiesel. ...