The principles of atomic theory recognized today were conceived by

The principles of atomic theory recognized today was conceived by John Dalton

Explanation:

The principles of atomic theory recognized today was conceived by John Dalton who was a well-known and recognized English meteorologist, physicist and a famous chemist. One of this best work is the introduction of the Atomic Theory in the field of Chemisty. He also got much recognition for his research based work on color blindness, which is also referred as Daltonism. His theories are still valid today, many of the today's world innovations and inventions are based on his research and findings.