It's me Roland, the author of Scientist.:)  I used to post regularly on these forums in the early 2000. Does anyone still remember me? <:D Anyway my mod "Scientist" is now available as an official Doom/Doom II add-on.   I've made a page on my website with some behind the scenes photo's and video's: https://spaceisgreen.com/scientist.php   Let me know if you have any further questions!