Complex sentence: From 1951-1954, he worked as one of the first emissaries ("shluchim") of Rabbi Menachem Mendel Schneerson, the seventh Lubavitcher Rebbe who urged him to use his special skills and go to college campuses to attract Jews to Judaism.
Split into simpler sentences: From 1951-1954, he worked as one of the first emissaries ("shluchim") of Rabbi Menachem Mendel Schneerson, the seventh Lubavitcher Rebbe. The Rebbe urged him to use his special skills and go to college campuses to attract Jews to Judaism.