Dorothy Jones Heydt[1] (1942 – June 28, 2022) was an American author of science fiction and fantasy.
She lived on the U.S. West Coast and was an active participant in the Usenet newsgroups rec.arts.sf.written and rec.arts.sf.fandom, and in science fiction fandom in general.
She was the originator and first editor of the Star Trek Concordance, an extensive resource guide first published in March 1969.
A linguist, she invented one of the first widely used Vulcan conlangs in 1967 for a Star Trek fan fiction series.
One term, ni var, meaning "two form", an art form in which two contrasting aspects of a subject are compared,[2] is still used on Star Trek: Enterprise, as the name of a Vulcan ship and on Star Trek: Discovery as the new name of the planet Vulcan itself.