PQ 17 was the code name for an Allied World War II convoy in the Arctic Ocean. In July 1942, the Arctic convoys suffered a significant defeat when Convoy PQ 17 lost 24 of its 35 merchant ships during a series of heavy enemy daylight attacks which lasted a week.

The author, who was one of the leading researchers of Russian cinematography, examines the depiction of Jews in Russian Film from 1919-1999.

The author examines turbulent days of 1917 and the rise of the Bolsheviks and the power-cult and dictatorship of Lenin and Stalin.

How to encrypt and secure information - very heavy mathematical models.