Tag Archives: psychology

A scary evening

The picture is of Tommy Flowers, who built Colossus, the first computer. It was built to break the German High Command’s Fish cipher (Sägefisch) in the second world war; its construction would be regarded as heroic or despicable depending on … Continue reading

Posted in events | Tagged , , , , , , | 2 Comments

Hadamard revisited

After a conversation about mathematical creativity yesterday, I went back to Hadamard’s remarkable book The Psychology of Invention in the Mathematical Field (published in 1945, and re-issued in 1996 with a new preface and the snappier title The Mind of … Continue reading

Posted in doing mathematics, history | Tagged , , , , , , , , , , | 4 Comments