Conversation so far:
Who was Oxford's first slade professor of fine art?
Ruskin.
When was he appointed?
August 1869.
What happened after his appointment?
He delivered his inaugural lecture on his 51st birthday in 1870.
What did he do after the inaugural lecture?
In 1871, John Ruskin founded his own art school at Oxford.
Did anything interesting happen at the school?
The School challenged the orthodox, mechanical methodology of the government schools .

Question: Did he teach at the school he founded?
Self-contained rewrite: Did John Ruskin teach at the Ruskin School of Drawing and Fine Art he founded?