Owen Chamberlainwas an American physicist, and Nobel laureate in physics for his discovery, with collaborator Emilio Segrè, of antiprotons, a sub-atomic antiparticle... (wikipedia)
The development of physics, like the development of any science, is a continuous one.
Each generation of scientists stands upon the shoulders of those who have gone before.
The whole structure of science gradually grows, but only as it is built upon a firm foundation of past research.
Each generation of scientists also depends upon its own environment.