I've heard that the period of the Acharonim started with the
completion of the Shulchan Aruch. That would technically make Rabbi
Yosef Karo the first Acharon. (One should probable research this
further.)
I've heard that the period of the Acharonim started with the
completion of the Shulchan Aruch. That would technically make Rabbi
Yosef Karo the first Acharon. (One should probable research this
further.)