Keyness General Theory After Seventy Years

After completing the final version of his general theory of relativity in November 1915, Albert Einstein wrote a book about relativity for a popular audience. His intention was "to give an exact insight into the theory of relativity to those readers who…

In the seventy years since 1931, various organizations large and small, including several semi-private ones, have issued or re-issued various original 78 rpm recordings from original metal plates.

Eighteenth-century Britons were frequently anxious about the threat of invasion, military weakness, possible financial collapse and potential revolution. Anthony Page argues that between 1744 and 1815, Britain fought a 'Seventy Years War' with France. This invaluable study:

An in-depth history of Alfred Kinsey’s groundbreaking Institute for Sex Research and the cultural awakening it inspired in America—“it has no rival” (Angus McLaren).