Time Line as of 2002

Pre - 1987 Hobby interest in lapidary and gem cutting and selling. Detailed study of Gemology and mineralogy.

1987-1988 Began study of ray tracing and development of programmable modeler using AutoCad and 3D cut modeling.

1989 Completed first ray tracing system. First contact with GIA and Bill Boyajin about use for cut grading.

1989 - 1991 Realized ray tracing too slow...began research for developing new technology

1992 First meeting w/ GIA representatives, Dr. James Shigley, Scott Hemphill, Dr. Vince Manson to discuss using DTI
technology in Lab, never materialized.

1992 Developed 3D beam tracing technology called Reflection Tracing, increased speed over ray tracing 1000 fold.

1992-1995 Continued to increase computational speed, began study of human visualization system.

1996 Defined system for virtual observation and developed metrics for main beauty components, brilliance, fire, and scintillation

1997 Performed first landmark study of over 6,000 proportion combinations, realized needed fourth component, deficiency.

January 1997 Patent application

October 12, 1999...Patent issues. U.S. Patent number 5,966,673

1997 - early 2001 Realized light return not total answer...created Cut Beauty Index™, which emulates in the computer how human eye/brain views and evaluates a diamonds beauty.

2000 Served on the AGS fancy cut grade task force setup to develop a fancy cut grade system.

2000 - 2001 Began using system to quantitatively analyze new cuts, create new cuts to enhance yield, provide cut grade
certification, and assisting major grading laboratories with cut grading.

2001-Present Currently completing advanced graphics rendering package, as well as a user friendly database access interface to automate the task of balancing the beauty and yield of diamond manufacturing.