Galileo Galilei (. [É¡aliËlÉËo É¡aliËlÉËi] ; 15 February 1564 â 8 January 1642), was an Italian astronomer, physicist, engineer, philosopher, and mathematician who played a major role in the scientific revolution during the Renaissance.
Generic (official) name. Brand (proprietary or trademark or trade) name. For example, phenytoin is the generic name and Dilantin is a brand name for the same drug. The generic name is assigned, in the United States, by an official bodyâthe United States Adopted Names (USAN) Council.
1 The brand name is the name given to a medicine by the pharmaceutical company that makes it. This is also called the proprietary name.  The generic or scientific name is the term given to the active ingredient in the medicine that is decided by an expert committee and is understood internationally.