World War 2
Better known as Hōri Mahue Ngata, he was the grandson of Sir Āpirana Ngata and was later the main compiler of the H.M. Ngata English–Maori Dictionary, first published in 1993, four years after his death. His wife, Mihihara, whom he married in March 1940, was the younger sister of Te Moananui-a-Kiwa Ngārimu. Read a biography of Hōri (George) Mahue Ngata, in English and te reo Māori, on the Dictionary of New Zealand Biography = Ngā Tāngata Taumata Rau website.
Death date from DNZB.