Question: The military self-defense system developed for the IDF was derived from the street-fighting experience of a Hungarian-Israeli who was known as what?
Sentence (from "Krav Maga"): "contact-combat") is a military self-defense system developed for the Israel Defense Forces (IDF) and Israeli security forces (Shin Bet and Mossad) that consists of a combination of techniques sourced from Boxing, Wrestling, Aikido, Judo, Karate along with realistic fight training.
Relevant evidence: No