The name of Giacomo Casanova, Chevalier de Seingalt (1725-1798), in now synonymous with amorous exploits, and there are plenty of these, vividly narrated, in him memoirs. But Casanova was not just an energetic lover. In his time he was diplomat, business man, trainee priest, traveller, prisoner, magician, confidence trickster, gambler, professional entertainer and chalatan. He financed business projects, organised lotteries,...