Julian Barbour and his timeless world. The preview of my “Bottom’s Dream” at the Palace of Culture and Science in Warsaw.
The questions is: Do lobsters have a happy life?
Clementi past lunchtime.
“I didn’t know the bomb had been dropped but you could feel from the disruption of all the messages that something terrible had happened”, remembered Rosemary Calder, one of the Bletchley Park radio-listeners.
Photo – melted sake bottles from Hiroshima, Hiromi Tsuchiya.
Charles Babbage. Had he been slightly less chaotic, and more systematic, he would be the greatest champion of cryptanalysis in history. But he wasn’t. Although it is not clear whether he couldn’t publish his full results due to the Crimean War, and information embargo imposed on him.
Giovan Battista Bellaso was born in 1505 and little more is known about him. Perhaps also due to the fact that this co-inventor of polyalphabetic cipher was quite cryptic also about himself. For example he explained the phenomena of free falling balls of iron and wood 40 years before Galileo – but encrypted the message so thoroughly that nobody has been able do decrypt it.
Picture – Galileo as seen by Ottavio Leoni, 1624.
Blaise de Vigenère’s love for foreign languages contributed to the development of the idea of polyalphabetic ciphers.
Pictured – Vignere (top), ‘Hercules Furieux’ and ‘Atlas’ as illustrated in Philostratus, Les Images, translated by Blaise de Vigenère, Paris 1614, repr. 1637.
Leon Battista Alberti, co-inventor of revolutionary polyalphabetic cipher, one of the pillars of Renaissance, deeply engaged in the research on the concept of ideal city (here depicted by Pierro della Francesca).