Busk practised as a Solicitor from 1866 to 1899. He was Vice-Chancellor of the University of London from 1905 to 1907, Chairman of Convocation and a Fellow of the University and also of University College, London. He was also a Member of the Governing Body of the Imperial College of Science and Technology, Chairman of Council of the City and Guilds of London Institute (1925), Chairman of the Central Foundation Schools of London, and Chairman of the Governing Body of Gresham's School between 1900 and 1925, when he resigned on the grounds of ill health.[3]
^"Court Circular". The Times. No. 36375. London. 11 February 1901. p. 9.
^"Obituaries". Proceedings of the Linnean Society of London. 154 (3): 270–300. June 1943. doi:10.1111/j.1095-8312.1943.tb00329.x. See in particular pp. 271–272.