Frederick Lindemann, 1st Viscount Cherwell

Frederick Alexander Lindemann, 1st Viscount Cherwell, ( CHAR-wel; 5 April 1886 – 3 July 1957) was a British physicist who was prime scientific adviser to Winston Churchill in World War II. He was involved in the development of radar and infra-red guidance systems. He was sceptical of the first reports of the enemy's V-weapons programme.