In 1950，when his father became head of the division of parasitology(寄生虫学) at the National Institute for Medical Research，Hawking and his family moved to St Albans，Hertfordshire.The eight­year­old Hawking attended St Albans High School for Girls for a few months；at that time, younger boys could attend one of the houses.In St Albans，the family were considered highly intelligent and somewhat abnormal；meals often spent in silence with everyone’s nose in a book，reading in silence.They lived a frugal existence in a large，cluttered，and poorly maintained house，and travelled in a converted London taxicab.During one of