Suggest an edit10:02Modern Mathematics: Programme 6: Matrices - Their PolyvalenceBBC One Wed 13th May 1964, 10:02 on BBC One LondonPresented by Geoffrey Matthews.For SchoolsRepeated on Friday at 9.40 a.m.(to 10.22)ContributorsPresenter:Geoffrey MatthewsDirector:Edward GoldwynEditor:Norman Hyland Source: Radio Times Suggest an edit