Minister of Industries and Commerce Daniel Sullivan (seated centre), sits for a photograph with members of the New Zealand Research Council, including F. R. Callaghan and John Morris Ranstead (standing left and second from left), A. H. Cockayne (standing second from right), Theodore Rigg (seated second from left), and Ernest Marsden (seated second from right).
Alexander Turnbull Library
Permission of the Alexander Turnbull Library, National Library of New Zealand, Te Puna Mātauranga o Aotearoa, must be obtained before any re-use of this image.
A. L. Rae. 'Ranstead, John Morris', Dictionary of New Zealand Biography, first published in 1998. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/en/biographies/4r4/ranstead-john-morris (accessed 23 June 2021)