H. Tracy Hall Foundation

Howard Tracy Hall, 1919-2008.
The full online version of the book that came out in 2012:
Part 1: Ancestry (up to page 135 of the book).
Part 2: Personal Life (up to page 421 of the book).
Part 3: Professional Life (through to the end, which is on page 575).

Ida-Rose Langford Hall, 1921-2005

A digital version of the book that came out in 2008. For family heritage information see:

The Progenitors and descendants of Fielding Langford
Johanna Charlotte Scherlin and Hans Nadrian Chlarson
My mexican Heritage: Experiences form the Lives of Louis Rudolph Chlarson, Zina
Charlote Chlarson Langford, and Ernest Fountain Langford.

Pictures of Posterity

Charlotte Weight & Family	David Hall & Family	Elizabeth Neil & Family
Nancy Mecham & Family	Sherlene Bartholomew & Family	Tracy Hall & Family
Virginia Wood & Family

Sample Images and Documents from 1954 Diamond Discovery

Scan of date book with "Made 1st diamonds" noted on December 16th.
Image of first diamonds produced with the belt apparatus.
Scanned draft of a 1955 letter in which Dr. Hall outlines his contributions to the effort that resulted in the creation of diamonds in 1954.
Collection of clippings from local and national newspapers and magazines.
Dr. Hall's account of his discovery of the diamond synthesis process.
Ida-Rose's account of her husband's discovery.

Ida-Rose Hall's Oral Histories
Dozens of audio recordings are available going as far back as the late 1950s.

Here is a list of the audio files compiled onto a disc of MP3 tracks in 2008, with comments on each.
Here are the first thirty minutes of her being interviewed by daughters Charlotte and Sherlene in 1977. Many other have Ida-Rose asking the questions: here is one of her talking with her brother Heber in 1994.

Family Videos

Some of the many videos that have been digitized so far are available here.
More will be added as they become available.

Missionary Diary of Helon Henry Tracy
Covers the years 1881 and 1882, which Helon spent in the United States and Great Britain.

Research Journal from 1955-1968

Tracy's words, from page one of his research journal: "Last week I visited with Air Force and Commerce Department officials in Washington to obtain a clarification as to the scope of the secrecy order on the G.E. Patent applications. I was told that it applied only to those applications and that I could freely and openly use any new apparatus that I might devise. On this basis I am going ahead with some new ideas that I have . . ." Follow along as another high pressure press capable of synthesizing diamond is developed, find when Tracy first thought of 'diamond growth from powder (PCD)', and read about it in Tracy's own words and scientific notes.

Part 1: Up to page 237 of the book.
Part 2: Page 238 through to the end of the book, which is on page 499.