Jakob Christof Rad

Jakob Christof Rad (Anglicised Jacob Christoph Rad, Czech: Jakub Kryštof Rad; 25 March 1799 – 13 October 1871) was a Swiss-born Austrian physician and industrial manager. He had many other professional activities, was a director of a sugar factory in Dačice, Bohemia, Austria-Hungary (now the Czech Republic) in 1843, and invented the process and associated machinery for cutting large block sugar into manageable uniform pieces. Rad is credited with the invention of sugar cubes.