The study and discussion of apparitions developed in a different direction in the 1970s, with the work of Celia Green and Charles McCreery.
Green’s empirical work, some of it undertaken in collaboration with an Oxford psychologist, Charles McCreery, has focussed mainly on hallucinatory experiences in ostensibly normal people.
Its current principal contributors, apart from Green, are Charles McCreery and Fabian Tassano.
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