Career
Sometimes appearing as the Anglicised, Jacob Christoph, Rad, among many other professional activities, was a director of a sugar factory in Datschitz in Moravia in 1843, and invented the process and associated machinery for cutting large block sugar into manageable uniform pieces (and so is credited with "invention" of the sugar cubes). Invention of the sugar-cutting process
Rad had became involved with management of a sugar factory in 1840 (in Datschitz, present day Dačice, in Moravia, a part of the Habsburg empire). He began work on a machine for transforming sugar into cube form, leading to a five-year patent for the cube press he invented, granted on January 23, 1843.