There are 230 staffs in the school, and about 100 teachers have the title of senior and junior professional post.
The quarantine house is a junior post, given to new graduates.
As a young man he moved to Berlin and gained a junior post in the city administration.
Without such interest an officer was likely to remain in a junior post for many years, whatever experience he might accumulate.
This junior post became very important, as he oversaw the Big Bang introduction of new technology in 1986.
By then, Bruce's ideas had progressed away from his original expectation of a junior post on the scientific staff.
After graduation he held a number of junior medical posts in Edinburgh.
'At one time, only junior posts attracted such a level of response,' he adds.
'Yes, but nobody's going to consider you for a junior post any more.'
He had to wait until 1550 to become Master of the Rolls, then a more junior post, and died only two years later.