As the Blitzkrieg raged in France, Hitler was already planning to fulfill his promise laid out in Mein Kampf, the forceful conquest of new living space for Germany in the East. Operation Barbarossa began on June 22 1941 and betrayed Germany’s non-aggression pact with Stalin, The Germans attacked Russia with 3 million soldiers, 3,350 tanks and 2,000 aircraft.

Mr. Gottlieb has been curator of naval history and technical director of exhibits at the Intrepid Sea, Air, and Space Museum in New York City, where he worked extensively with veterans of all services to create exhibits that accurately illustrate warfare of the 20th Century. In the past three years Mr. Gottlieb has presented many informative programs to the DMA, area senior centers and the Norwalk Lifetime Learners Institute.

Arranged by Alex Garnett