Frederick Alexander is a British physicist and also a British government's chief scientific adviser.
On 30 March 1942 Professor Frederick Lindemann, Baron Cherwell, the British government's chief scientific adviser, sent to the British Prime Minister Winston Churchill a memorandum which after it had become accepted by the Cabinet became known as the dehousing paper. 
Frederick Alexander Lindemann, 1st Viscount Cherwell, (5 April 18863 July 1957), pronounced , was a British physicist and an influential scientific adviser to the British government from the early 1940s to the early 1950s, particularly to Winston Churchill. 
