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Norman Robert Campbell was a venerable man in the history of scientific development He was a well-known British physicist and philosopher of science whose main contribution to our scientific world was the distinction between scientific theories and laws Norman was born in 1880 and received an incredible education at Eton soon to be followed by his graduation from Trinity College Normans accomplishments did not stop here however He worked at the Cavendish Laboratory for seven years under a man by the name of JJ Thompson who is thought to be his inspiration in the field of physics He later joined the staff of General Electric as a researcher after a short career at Leeds University He abided at General Electric until 1944 and died five years later Although Norman Campbell is considered to be a physicist his main contributions were directed in the fields of philosophy because of his sapient writings on the analytical structure of theories and the principles of experimental measurement Norman gave a somewhat formal definition to both scientific theory and law He defined scientific theory as a hypothesis formed by ideas that are subject to verification by measurement He defined law as concepts whose effects could be determined by measurements Keep in mind however that a scientific law can not be formed unless it is first proven numerous times as a theory Campbell divided all theories into mathematical and nonmathematical groups and suggested the use of analogies to relate the question to phenomena that are already understood These analogies essentially provide one with a hypothesisNorman Campbells definition of the word theory is as follows theory is the state of contemplation as distinct from the state of action and it is perfectly correct to term theoretical discussions which can have no influence in active life Essentially his definition states that a theory does not have to be acted out on a living source Theories have always been contemplated and tested and often
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