Complex sentence: At Queen's, Childe was entered for a diploma in classical archaeology followed by a Bachelor of Literature degree, but did not complete the requirements for the former; here, he studied under John Beazley and Arthur Evans, the latter acting as his supervisor.
Split into simpler sentences: At Queen's, Childe was entered for a diploma in classical archaeology followed by a Bachelor of Literature degree, but did not complete the requirements for the former. It was here that he studied under such archaeologists as John Beazley and Arthur Evans, the latter of whom acted as his supervisor.