In 1986 he spent nine weeks traveling in the ministry in Australia, and three years later did the same coast-to-coast in Canada.
It resulted from the survey he carried out in Yorkshire to learn at first hand of the experiences of attenders from the time of their first entry into a Quaker meeting.
In 1994, he published a small dictionary, Quaker Speak, as one of his responses to the needs discovered in the Yorkshire survey.
For thirty years Heron was research psychologist working mainly in the field of human development through the life span, and in cross-cultural studies.
[4] He and his wife Margaret reached their sixtieth wedding anniversary in November 2000, less than a year before her death at 88.