Frederick Lindemann

Professor Frederick Lindemann headed up the S-Branch at the Admiralty in December 1939. (AUDIO: The Oncoming Storm, Static)

Winston Churchill knew him since World War I, and often referred to him simply as the Prof. Lindemann was told about the Admiralty's acquisition of the Augur's Stone and decided to hold off reporting it to Churchill until they had the facts. (AUDIO: The Oncoming Storm)