was  Sheldon Glashow 's discovery in 1960 of a way to combine the  electromagnetic  and  weak interactions . [1]  In 1967  Steven Weinberg [2]  and  Abdus Salam [3]  incorporated the  Higgs mechanism [4] [5] [6]  into Glashow's  electroweak theory , giving it its modern form. The Higgs mechanism is believed to give