I was a student in Germany when Hitler came to power..

The Communist Party said that I must finish my studies because after the revolution in Germany people would be required with technical knowledge to t….

I was lucky because on the morning after the burning of the Reichstag I left my home very early to catch a train to Berlin for the conference of our ….

Finally Germany's attack on Russia seemed to confirm that Russia was not shirking and was prepared to carry out a foreign policy with the risk of war….

There is nobody I know by name who is concerned with collecting information for the Russian authorities. There are people whom I know by sight whom I….

I joined the Communist Party because I felt I had to be in some organization..

Since coming to Harwell I have met English people of all kinds, and I have come to see in many of them a deep rooted firmness which enables them to l….

In the post war period I began again to have my doubts about Russian policy..

The last time when I handed over information was in February or March 1949..

Before I joined the project most of the English people with whom I had made personal contacts were left wing and affected to some degree or other by ….

I was ready to accept the philosophy that the Party is right and that in the coming struggle you could not permit yourself any doubts after the party….

I was in the underground until I left Germany..