Although considered a prominent patron of the arts and sciences during his long reign , Johann II was also considered to be rather unsociable and did not participate in social events .
Johann II added much to the Liechtenstein Princely Collections .
Although considered a prominent patron of the arts and sciences during Johann II 's long reign , Johann II was also considered to be rather unsociable and did not participate in social events .
Johann II added much to the Liechtenstein Princely Collections .