>>1738536 lb
Romano L. Mazzoli was a Democratic representative from Kentucky and Alan K. Simpson was a Republican senator from Wyoming who chaired their respective immigration subcommittees in Congress. Their effort was assisted by the recommendations of the bipartisan Commission on Immigration Reform, chaired by Rev. Theodore Hesburgh, then President of the University of Notre Dame.
https://en.wikipedia.org/wiki/Immigration_Reform_and_Control_Act_of_1986