Background and Contributions
- Marcel Tolkowsky was a Belgian member of a Jewish family of diamond cutters from Poland.
- He is acknowledged as the father of the modern round brilliant diamond cut.
- Tolkowsky studied the grinding of diamonds as part of his PhD topic at the University of London.
- He published the specifications of the American Standard (also known as the American Ideal Cut or Tolkowsky cut), which became the diamond-cutting benchmark in North America.
- Tolkowsky found that the depth and angle of a diamond's cut affect its brilliance, fire, and sparkle.
- Many of Tolkowsky's family members, including his cousin Lazare Kaplan and great-nephew Gabi Tolkowsky, have become noted diamond cutters.
- Tolkowsky's book, 'Diamond Design,' outlined the specifications for the American Standard cut.
- The American Standard cut was derived from mathematical calculations considering brilliance and fire.
- Tolkowsky's original model was intended as general guidelines, with later modifications made to round brilliants.
- The New York Times published an obituary for Marcel Tolkowsky in 1991.
- A research article by Michael Cowing titled 'Diamond Brilliance: theories, measurement and judgement' discusses Tolkowsky's work.
- Tolkowsky's thesis, 'Research on the Abrading, Grinding or Polishing of Diamond,' does not define the Tolkowsky cut.
- Another publication by Tolkowsky, 'Diamond Design: A Study of the Reflection and Refraction of Light in a Diamond,' explores the topic further.
- The Gemological Institute of America provides additional information on Marcel Tolkowsky's work.
- Tolkowsky Diamonds has an official website showcasing their diamond designs.
- 'Diamond Design: A Study of the Reflection and Refraction of Light in a Diamond' by Marcel Tolkowsky is available for further reading.
- Wikipedia offers a biographical article about Marcel Tolkowsky, which can be expanded.
- Information on Marcel Tolkowsky can be retrieved from the Wikipedia page dedicated to him.
- Categories associated with Marcel Tolkowsky include his birth and death dates, profession, and religious background.
Marcel Tolkowsky Data Sources