In 1927, van Vollenhoven conceived the idea of extending the university campus around the Rapenburg Canal, this involved the purchase as well as the conversion of old buildings. As a result of this policy, the old Kamerlingh Onnes Laboratory, named after physicist Heike Kamerlingh Onnes, was restyled into a new home for the law school; the move was completed in 2004.[19] A reorganisation of the faculty, which began in the 1980s, realigned the faculty's focus to major fields such as civil, corporate, notarial, criminal, European and international law; these areas remain Leiden's traditional areas of scholarly strength.