David Livingston (comedian)
From Memory Alpha, the free Star Trek reference
David Livingston was a notable comedian.
In 2365, Data attempted to locate a comedian to help him better understand the concept of "what is funny?". Livingston was among the the holodeck program files that were contained aboard the USS Enterprise-D. (TNG: "The Outrageous Okona")
This character was named after production staff member David Livingston. (Star Trek: The Next Generation Companion)
