What is the nationality of this mathematician, theoretical physicist and philosopher who contributed to the unitarian trick?
Unitarian trick: In mathematics, the unitarian trick is a device in the representation theory of Lie groups, introduced by for the special linear group and by Hermann Weyl for general semisimple groups. Hermann Weyl: Hermann Klaus Hugo Weyl, {'1': ", '2': ", '3': 'ForMemRS', '4': "} (] ; 9 November 1885 – 8 December 1955) was a German mathematician, theoretical physicist and philosopher.
German