John Napier was born at Merchiston Castle in Edinburgh and Napier Universiry is named after him.  He was well known mathematician and inventor of logarithms and first started the use if the decimal point. He also invented war machines including the forerunner of the armoured tank and the submarine.
   
    As well as being a prominent mathematician it is believed that he was a magician who dabbled in Alchemy and Necromancy.
   
    John Napier built Lauriston Castle in Edinburgh and is buried at St. Cuthbert’s Church in Edinburgh.