I'm David Llewellyn-Jones, a Research Data Scientist for The Alan Turing Institute at the British Library in London. I occasionally crave adventure and a good thunderstorm.

I'm interested in programming, privacy, maths and graphics. I'm a proponent of open source, open research, and end-users' right to privacy and control. I strive to contribute to a circular economy.

This site has been capturing my thoughts and outputs on these topics since 1998, including my software, research and random musings.

Want to know more about me? Here's a personality sketch written by a psychologist when I was in school.

“David is of high intelligence, although lacking in true creativity. He has a need for order and clarity, and for neat and tidy systems in which every detail finds its appropriate place. His writing is rather dull and mechanical, occasionally enlivened by somewhat corny puns and by flashes of imagination of the sci-fi type. He has a strong drive for competence. He seems to have little feel and little sympathy for other people and does not enjoy interacting with others. Self-centered, he nonetheless has a deep moral sense.”

Wow. Harsh. But disturbingly accurate.

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5 Feb 2024 : FOSDEM'24 presentations #
I've uploaded my slides for my two FOSDEM presentations last weekend to the Presentations Page.
7 Jan 2024 : Halls dedecked #
Christmas is over for another year. Time to remove the decorations, physically, virtually and mentally. So I've deactivated the snow storm shaders and snowflake animations and returned the site to its standard state with galaxies, bokeh and other assorted frivolities.
22 Dec 2023 : Merry Christmas! #
As I write this it's nearly Christmas. It's the first day of my Christmas holiday. Outside here in Cambridgeshire it's mostly very windy — the last gusts from Storm Pia — and although I miss the Finnish snow it still feels festive and optimistic. And now it's snowing on the site too because that's what happens on this part of the Web at Christmas.
22 Nov 2023 : Gecko Dev Diary daily updates #
After a short pause of a couple of weeks for The Turing Way Book Dash I'm now back to writing my daily Gecko dev diary again. Starting with a quick recap on progress over the last couple of weeks.
6 Nov 2023 : Normality returns #
Bonfire night now just a memory, it's time to restore the usual style on the site, back to starscapes and Bokeh. It's still firmly Autumn here ni the UK. The trees are rapidly passing through their autumnal shades, from green to orange to red to brown. The winds are gusty and the rain is insistent. Still loving it! One day I'll have to set up an Autumn theme, maybe based on something like Dead Leaves by Poisson.