https://www.nytimes.com/2018/08/03/obituaries/douglas-grindstaff-star-trek-sound-whiz-dies-at-87.html (https://www.nytimes.com/2018/08/03/obituaries/douglas-grindstaff-star-trek-sound-whiz-dies-at-87.html)
Some of the sound effects on TOS were pretty great. This guy was a master of his field.
Also did foley work for Mission: Impossible, Dallas, Max Headroom.
Goodbye, Douglas Grindstaff.