I was recently looking for a paper on the font of all scientific knowledge these days, Google Scholar, and couldn’t find the original paper presenting the concept of manufactured solutions. I found the paper, but also found this image of most of the attendees that I thought should be offered up for the historical record.

The original paper is
Lingus, C. “Analytical test case’s for neutron and radiation transport codes.” Second conference on transport theory. 1971. PDF