Original: Sir Christopher Wren (20 October 1632   25 February 1723) was a 17th century English designer, astronomer, geometer, mathematician-physicist and one of the greatest English architects in history.
Simplified: Sir Christopher Wren (October 20, 1632 – February 25, 1723) was a 17th century English designer, astronomer and geometer (a mathematician who studies Geometry).