Supporting the teaching of Earth sciences at all levels Registered charity number 1005331 History of the Association. The Association began as ‘The Association of teachers of Geology’ in 1967. The steering committee was chaired by Dr. Douglas Bassett (1967-1968). In 1988 the name was changed to ‘The Earth Science Teachers’ Association”. Please click on a button to see details. The name of the magazine has altered. For the first year it was simply a circular and then became in succession ‘Geology’ and then ‘Geology Teaching’. The final name change took place when the Association name was altered.