Edward Harrison specialises in espionage history and Nazi Germany. After Christ Church Oxford, where he obtained first class honours in history, he did postgraduate research at Munich University and as Laming Junior Fellow at The Queen's College, Oxford.

He worked in Germany and taught history in universities in the US and UK. He was Visiting Professor at Detroit State University and held a Visiting Fellowship at St Antony's College, Oxford, and a Rothschild Fellowship in History from the Churchill Trust. His media experience include German TV on Trevor Roper's famous enquiry into Hitler's death.

His linguistic skills equip him for extensive research and comprise German, Latin, Greek, French, Italian, Polish, Russian and Japanese. He is the author of The Young Kim Philby (2012) and editor of HughTrevor-Roper's posthumous book The Secret World (2020).