Input (grade 13): Peter Andreas GrÃ 1\/4 nberg (born 18 May 1939) is a German physicist, and Nobel Prize in Physics laureate for his discovery with Albert Fert of giant magnetoresistance which brought about a breakthrough in gigabyte hard disk drives.
Output (grade 10): Professor Peter Andreas GrÃ 1\/4 nberg is a German physicist who was born on May 18, 1939. Professor GrÃ 1\/4 nberg won the 2007 Nobel Prize in Physics for his discovery of giant magnetoresistance which made gigabyte hard disk drives easier to produce.