Correct Answer:
Option B - John Dalton, 1766-1844, was an English Chemist and Physicist. He taught Maths and Natural Philosophy at Manchester Academy. He is best known for his atomic theory and research in color blindness. John Dalton was known as the Father of Modern Atomic Theory. In 1803, he speculated that all atoms of a given element are Identical in size and mass.
B. John Dalton, 1766-1844, was an English Chemist and Physicist. He taught Maths and Natural Philosophy at Manchester Academy. He is best known for his atomic theory and research in color blindness. John Dalton was known as the Father of Modern Atomic Theory. In 1803, he speculated that all atoms of a given element are Identical in size and mass.