Rubuta ci gaba ga wannan sakin layi - Grierson ya kasance memba na juriya don Kyautar Fim na Kanada a 1970. Ya kwashe 'yan watanni a 1971, yana zagayawa a Indiya yana mai da hankali kan mahimmancin samun ƙananan rukunin samarwa a duk faɗin ƙasar. Ya koma Burtaniya a watan Disamba na 1971 kuma ya kamata ya koma Indiya; duk da haka, an jinkirta tafiyarsa saboda Yaƙin Indo-Pakistan
Ka yi haƙuri. Grierson ya tafi asibiti don duba lafiyar a watan Janairun 1972; an gano yana da cutar sankarar huhu da hanta kuma an ba shi watanni don rayuwa. A lokacin da yake asibiti ya shafe lokaci yana rubuta wasiƙu ga matarsa, Margaret, kuma ya karbi baƙi; duk da haka, ya fadi a ranar 18 ga Fabrairu kuma ya mutu a ranar 19. A cikin bukatunsa na jana'izarsa ya yi bayani dalla-dalla game da burinsa na a ƙona shi. Hakanan bisa ga burinsa, an sanya tulunsa a cikin teku a Old Head a Kinsale, kuma ɗan'uwansa Anthony, wanda ya mutu a watan Agusta 1971, an sanya toka a lokaci guda. Wani ƙaramin jirgin ruwa ya bi "Able Seaman", wanda ke ɗauke da toka, kuma sa'ad da aka saukar da tuluna cikin ruwa, jiragen ruwan kamun kifi sun yi sautin ƙararrawa.