https://www.cnet.com/news/star-trek-sound-effects-creator-douglas-grindstaff-dies-at-87/

Douglas Grindstaff, the man responsible for many of the iconic sounds of the original Star Trek series, died on July 23 at age 87, StarTrek.com reported.

"Please join us in remembering Douglas Grindstaff, the award-winning sound editor and designer behind many iconic #StarTrek sounds," the show's official Twitter account requested.