User:Barry Pearson

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I have retired from a career helping to design complicated multi-vendor computer systems.[1] My main hobby is photography. I blog on the topics "atheism and enlightenment", "photography", and "observations from England".[2]

Eur Ing Barry Pearson BSc(Hons) CITP CEng FBCS LRPS CPAGB

(My BSc(Hons) degree was in Mathematical Physics).

I registered with Wikipedia in order to correct and bring up to date pages for which I have some degree of expertise. I have interests that I want to see properly represented in Wikipedia. Editing Wikipedia is not my hobby.

I have read the Wikipedia article on single-purpose accounts. I appear to be guilty as charged! (Or at least, perhaps of being a three-purpose account). I would find such criticism bizarre. I have spent much of my life building up expertise in selected areas, then trying to help people become better informed about them. I try to avoid potentially disastrous meddling where I only have limited knowledge.

Pages created[edit]

I use sub-pages of this page while creating new pages (and for no other reason). Here is my "work in progress":

Healthy lifestyles[edit]

My age (I was born in 1947) has prompted me to identify a lifestyle that has a good chance of enabling me to have a long, active, quality life. I have spent many 100s of hours studying the two main aspects of such a lifestyle: a healthy food-lifestyle and a healthy exercise-lifestyle. (There are other aspects too). I have been implementing my target (and evolving) lifestyle since early 2015. I have compared the results from my NHS health checks, and my own use of body-monitoring equipment, with the results predicted by these studies. The results are very encouraging, leading me to believe that I have successfully identified some useful science and avoided the many fads.

My chosen food-lifestyle is Low Carbohydrate High Fat, tweaked a little to make it enjoyable and sustainable. My chosen exercise-lifestyle is "high intensity", mainly High Intensity Interval Training, but also some High Intensity Resistance Training. This exercise-lifestyle, while not "enjoyable", is proving to be sustainable, and as expected with high intensity exercises, is both effective and takes relatively little time.

My Lipid profile (cholesterol and triglycerides) is now at least "very good", and probably "excellent". My blood sugar measurements indicate that I have none of the characteristics of metabolic syndrome, and so (hopefully) I have no risk of developing type-2 diabetes. I have never "counted calories", yet my BMI is at the low end of the "normal" range. My "heart age" is younger than I am. I appear to be "fat adapted", freely able to use fatty acids as my principal metabolic fuel. (But I don't risk the dangerous "starvation mode" that arises after a few days). I'm not saying this to gloat. I am pointing out that I appear to be doing something right, and therefore I probably have knowledge that many others (obviously not everyone!) could benefit from. Where I can, I will contribute to Wikipedia. I am aware of the importance of WP:MEDRS.

My "to do" list[edit]

  • CinemaDNG - Needs bringing up to date with latest Adobe product developments and the use of CinemaDNG by other companies.
  • Raw image format - This page has become poorly-structured as a result of various edits by others; needs restructuring.


I intend to create and/or edit pages concerned with photography in general. I have made a start, for example OpenRAW and Photographic Alliance of Great Britain.

I want to improve the pages concerned with "raw image formats" for digital photography, including Tag Image File Format / Electronic Photography, Raw image format, and DNG.

Digital Negative format[edit]


I have sometimes been falsely accused of getting paid or otherwise motivated by Adobe for my statements about DNG. I emphasize what I have said a number of times before: I have no commercial relationship with Adobe, other than paying to use some of their products.

DNG isn't a commercial product - it is a free-to-use file format. It therefore has the same status as TIFF (which is also owned by Adobe), and people who write about TIFF don't get accused of being on Adobe's payroll!

My DNG articles[edit]

In the last 10 years I have published about 30 "rich" pages on Adobe's Digital Negative (DNG) raw image format.[3] I have published more on the subject of DNG than anyone else outside Adobe. My interpretation is that those pages are a combination of primary sources, secondary sources, and tertiary sources, while also containing some original research. My website containing those pages is free-to-access without registration, and is non-commercial with no paid-for advertising.[4]

Some of the content could usefully by exploited in Wikipedia. It is wrong to categorise all those pages as "advocacy". Some pages are, because this format is vitally important for digital image preservation in years to come. But others are lists of facts or products, or the results of genuine (repeatable) research, or analysis based on such information. One page is explicitly speculative. Each page must be taken on its own merits. All pages are extensively supported by citations, and those are themselves valuable to the reader.

I have been criticised for linking to my own pages in this way. Yet if an anonymous editor had done so, (or if I had done so under a pseudonym), I don't believe there would have been the same objection. It cannot be sensible for someone editing under their own full name to be restricted compared to those other sorts of editor!

Kings Norton[edit]

Several years ago I published a (non-commercial) website on Kings Norton, an area of Birmingham, England.[5] I have started to add value to the Wikipedia page, and also to a related page for St Nicolas's Church in Kings Norton.

In 1870, the new Kings Norton workhouse was built in Selly Oak. I've added links to that page. I've also added links to the Selly Oak Hospital page, since that arose from the new Kings Norton workhouse.

Child support[edit]

A less likely, and for me less important, topic for me to contribute to is that of Child support, where I have a large (albeit frozen) website to draw upon where relevant.[6] Wikipedia has long had a link to one of my pages that could usefully be supplemented.


  1. ^ An informal summary of my curriculum vitae (I've retired and I'm not seeking work!)
  2. ^ Barry's blog
  3. ^ DNG articles and links (Lots of information about Adobe's Digital Negative (DNG) image format)
  4. ^ Barry Pearson's personal website
  5. ^ The King’s Norton Web Site
  6. ^ Child Support Analysis (frozen in 2007)