Input (grade 13): Galileo Galilei (; 15 February 1564 â "8 January 1642), commonly known as Galileo, was an Italian physicist, mathematician, astronomer and philosopher who played a major role in the Scientific Revolution.
Output (grade 8): Galileo Galilei (15 February 1564 â "8 January 1642) was an Italian astronomer, and a famous thinker.