Simon de la Loubère

Simon de la Loubère (French: [simɔ̃ la lubɛʁ]; 21 April 1642 26 March 1729) was a French diplomat to Siam (Thailand), writer, mathematician and poet. He is credited with bringing back a document which introduced Europe to Indian astronomy, the "Siamese method" of making magic squares, as well as one of the earliest descriptions of parachutes.