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21:1521:15, 15 April 2025 diff hist −10 m Richard S. Hunter removed duplicate date current

15:0915:09, 20 March 2025 diff hist +131 m Richard S. Hunter added the fact that Richard developed the first practical photoelectric tristimulus colorimeter
15:0215:02, 20 March 2025 diff hist −2 m Richard S. Hunter Changed last paragraph to reflect that HunterLab has been in business for over 70 years

18:1918:19, 4 November 2021 diff hist +59 m Richard S. Hunter Richard Hunter devised the Hunter L,a,b system, using a square root function, published by NBS in July 1942. The CIELAB system evolved from Hunter L,a,b, and utilizes a cube root function and was approved by the international standards body, the CIE, in 1977.

15:2415:24, 30 June 2020 diff hist +1,245 Richard S. Hunter correcting typographical errors and adding more details about his life and accomplishments

15:2915:29, 29 April 2020 diff hist −1 m Richard S. Hunter typos
15:2615:26, 29 April 2020 diff hist +572 m Richard S. Hunter Correcting typographical errors and adding life details plus his patents

20:1620:16, 23 August 2016 diff hist +14 m Richard S. Hunter minor changes for clarity (GWU and text to book)

20:1520:15, 22 August 2016 diff hist +3 Richard S. Hunter No edit summary
20:1320:13, 22 August 2016 diff hist +1 Richard S. Hunter No edit summary
20:1320:13, 22 August 2016 diff hist +9 Richard S. Hunter No edit summary
20:1220:12, 22 August 2016 diff hist −8 Richard S. Hunter No edit summary
20:1020:10, 22 August 2016 diff hist −32 Richard S. Hunter No edit summary
20:0820:08, 22 August 2016 diff hist +30 Richard S. Hunter No edit summary
20:0420:04, 22 August 2016 diff hist +6 Richard S. Hunter No edit summary
20:0320:03, 22 August 2016 diff hist +26 Richard S. Hunter No edit summary
20:0220:02, 22 August 2016 diff hist +6 Richard S. Hunter No edit summary
19:5919:59, 22 August 2016 diff hist +142 Richard S. Hunter add cite for Photoelectric Tristimulus Colorimetry with Three Filters, U.S. Dept. of Commerce, Circular of the National Bureau of Standards C429, July 30, 1942 Tag: extraneous markup
18:3918:39, 22 August 2016 diff hist +153 m Richard S. Hunter Richard Hunter Pioneering Color Scientist, dates of birth and death and date of publication of his first book

00:1100:11, 9 April 2014 diff hist +792 Richard S. Hunter No edit summary Tag: gettingstarted edit

18:2018:20, 8 April 2014 diff hist +1,543 Richard S. Hunter No edit summary Tag: gettingstarted edit