Harsányi János Károly; May 29, 1920 – August 9, 2000) was a Hungarian-American Nobel Prize laureate economist, born in 1920 and best known for his contributions in the field of 'game theory' and how it applies to economics. Game theory is used to study logical decision making in humans, animals, and computers, using mathematics, with applications in [...]
A favourite of ours and a series that should have great appeal to the classic numismatist, 'History of Polish Coin' takes a centuries long journey through the coinage of this Central European country. Starting in 2013 with a 1,000 year old design, we've now moved forward to the mid 18th century for this 14th issue. These are [...]
Very much in the news over the last couple of years, the Foreign Intelligence Service of the Russian Federation (SVR) is tasked with 'the safety of individuals, the society and the state against external threats' much like Britain's MI6 or the USA's CIA. Tracing its origins back to 20 December 1920, when Felix Dzerzhinsky signed an order [...]