I had a look into that claim. The original work and most of the research heavy lifting seems to have been done at the LMU Munich. The main British participation

I had a look into that claim. The original work and most of the research heavy lifting seems to have been done at the LMU Munich. The main British participation appears to have been Stability AI lending computing power. https://github.com/CompVis/stable-diffusion https://github.com/CompVis/stable-diffusion