Who was the revered rabbi cited as inspiration for a tunnel to a basement synagogue in New York?

The basement synagogue that was the scene of a brawl this week between worshippers and New York City police has a long and storied connection with a Brooklyn rabbi who led a global movement and remains revered three decades since his death.

The fight broke out Monday when authorities moved in to seal off a secret tunnel into the Chabad-Lubavitch synagogue, which some worshippers — described by the movement as “a small group of rogue youth” — said was intended to fulfill the wishes of Rabbi Menachem Mendel Schneerson.

Here are some details about Schneerson