curprev16:2216:22, 27 February 2020 Miamiamomiatalkcontribs 8,065 bytes+4,260 I added much more content and references and details of Douglas' more recent activities. (The article was quite out of date.) I also improved the quality of the writing, created sections and reorganized some of the content to aid the reader. I also added a photograph and more internal links.undoTag: Visual edit