American physicist
He found antimatter. In 1932, studying cosmic rays in a cloud chamber, Anderson spotted a particle that bent the wrong way in a magnetic field — same mass as an electron, opposite charge. The positron's discovery earned him a Nobel at 31 and proved that for every particle, a mirror twin exists.
Born September 3, 1905, Anderson was an American experimental physicist working with cosmic rays when he made the observation that would redefine physics. The positron he identified was the first piece of antimatter ever detected, confirming theoretical predictions that the universe harbored these shadow particles. The work brought him the 1936 Nobel Prize in Physics, shared with Victor Hess. He died January 11, 1991, having opened a door physicists are still walking through.
Sourced, dated quotes from Carl David Anderson
The ideal student would be one who was not working for grades but was working because he was interested in the work and not trying to compete with fellow students.
The atom can't be seen, yet its existence can be proved. And it is simple to prove that it can't ever be seen.
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