Churchill's approval of Tube Alloys in 1941 is presented as support for a possible war-ending weapon. The British project later became part of Anglo-American cooperation. Fear that Germany and other states were pursuing the same possibility helps explain the wartime decision. The discussion also cautions that German theoretical work did not mean the necessary calculations had been completed correctly. Churchill's postwar support for an independent British nuclear capability is treated as a continuation of that interest.
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Churchill's support for Tube Alloys
Tube Alloys is assessed as a wartime gamble intended to prevent Britain falling behind in nuclear research.