Simplify the following text for a Grade 11 native English-speaking person.
Original: Gottfried Silbermann ( January 14 , 1683 â `` August 4 , 1753 ) was an influential German constructor of keyboard instruments .
Simplified: Gottfried Silbermann ( born Kleinbobritzsch , 14 January 1683 ; died Dresden , 4 August 1753 ) was a very important German builder of keyboard instruments .