He served as a minister in three congregations , two in South Australia and one in the United States .
A former geophysicist , Drayton was ordained as a minister in 1969 in Kent Town , South Australia .
Drayton served as a minister in three congregations , two in South Australia and one in the United States .
A former geophysicist , Drayton was ordained as a minister in 1969 in Kent Town , South Australia .