Complex sentence: Major James Rufus Charles Boosé, CMG, VD, (1859-19 April 1936) was the librarian, and later secretary, of the Royal Colonial Institute (now the Royal Commonwealth Society).
Split into simpler sentences: Major James Rufus Charles Boosé, CMG, VD, (1859-19 April 1936) was the librarian, and later secretary, of the Royal Colonial Institute. Boosé was first librarian, and later secretary, of the Royal Colonial Institute (now the Royal Commonwealth Society).