James Watson and Francis Crick....
rosalind franklin
James Watson and Francis Crick. With good data support from Rosalind Franklin and Maurice Wilkins.
Watson and Crick
James Watson and Francis Crick
Watson and Crick and credited with discovering the structure of DNA. They mapped out how the bases pair up. Adenine bonds with thymine, and cytosine with guanine.
radium
discovering
Watson and Crick got the Nobel prize for discovering the structure of DNA.
Christopher Columbus was an early explorer. He is credited with discovering the Americas.
Christopher Columbus, an Italian explorer sailing under the flag of Spain, is credited with the discovery of America in 1492.
Euclid
I'm not exactly sure what you mean when you say "discovering." However, Alexander Graham Bell is credited for inventing it. -THE SMOKE LIVES