Tolkowskys
Tolkowsky is a surname with notable associations in the fields of gemology and diamond cutting. The most prominent figure bearing this name is Marcel Tolkowsky, a Belgian-born diamond cutter who is credited with developing the modern brilliant cut. He published his groundbreaking doctoral thesis on the subject in 1919, outlining the precise proportions and angles required to maximize a diamond's brilliance, fire, and scintillation. His mathematical calculations formed the basis for what is now known as the ideal or 57-facet round brilliant cut.
The Tolkowsky family has a long-standing history in the diamond industry. Louis Tolkowsky, Marcel's father, was