(written from a Production point of view)
Harry "Doc" Kloor (born 28 April 1963; age 52) is a scientist, writer, producer and director who wrote or co-wrote four episodes of Star Trek: Voyager. In 1994, he became the only person in the United States to earn simultaneous PhDs: one for physics and one chemistry. 
Kloor's first contribution to Voyager was writing the story for the third season episode "Real Life". For Voyager's fourth season in 1997, he co-wrote the teleplay for "The Raven" with Bryan Fuller. Kloor co-wrote the story for the next episode, "Scientific Method" with Sherry Klein. In 1998, during the fifth season of Voyager, he co-wrote the story for "Drone" with Bryan Fuller.
Kloor later produced, directed and wrote the computer animated film Quantum Quest: A Cassini Space Odyssey, which featured the voice talents of several Star Trek actors including William Shatner, Chris Pine, Brent Spiner and Robert Picardo.