, was proposed by  Howard Georgi  and  Sheldon Glashow  in 1974. The  Georgi–Glashow model  was preceded by the  Semisimple Lie algebra   Pati–Salam model  by  Abdus Salam  and  Jogesh Pati , who pioneered the idea to unify gauge interactions.  The battles of minds continue; we are just at the beginning of our