The term 'Academy Head' can be summarized by two crossword solutions: Plato (5 letters) and Exeter (6 letters). Plato was an ancient Greek philosopher who is widely considered to be one of the most influential thinkers in Western philosophy. He founded the Academy of Athens, the first institution of higher learning in the Western world. Exeter is a city in Devon, England, and is home to the University of Exeter, which is one of the leading universities in the United Kingdom. The head of the university is known as the Vice-Chancellor, and is responsible for the overall management and direction of the university.