Owen Chamberlain — American Scientist born on July 10, 1920, died on February 28, 2006

Owen Chamberlain was 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.