 After living for a period in London, he returned to Greece to serve as Assistant Director of the British School of Archaeology at Athens in 1951-52 and again in 1957-62.His doctoral thesis on the Greek poets Solomos, Palamas, Cavafy, Angelos Sikelianos and Seferis (King's College, London) was published in 1956 as "The Marble Threshing Floor".In the same year he was baptised in the Orthodox Church.