Ethan H. Calk
Ethan H. Calk was the co-writer of the  third and fifth season episodes  and .

In 2006, Calk provided additional story elements to the fan production Star Trek: New Voyages, episode "To Serve All My Days" along Jack Treviño and D.C. Fontana. The following year, he co-authored the fan film Star Trek: Of Gods and Men, for which he also worked as associate producer and script supervisor.

External links 
 
 Ethan H. Calk at Stage32.com

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Calk, Ethan H.