Input (grade 13): Geoffrey Ronald Burbidge FRS (24 September 1925 â "26 January 2010) was an English astronomy professor, most recently at the University of California, San Diego.
Output (grade 12): Geoffrey Burbidge (born Chipping Norton, 24 September 1925; died La Jolla, California, 26 January 2010) was an English astrophysicist. For many years he was professor at the University of California, San Diego.