T. Grodnick was a Starfleet officer in the 23rd century.

In 2285, they were a lieutenant commander at Starfleet Academy's Starfleet Training Command. They were an Astrogation instructor. Their office, located on the second level of a building, was in room #206. Their rank, name, position, and office were listed on a directory placard. (Star Trek II: The Wrath of Khan, set artwork)

This character was only mentioned in writing.
This officer was named after assistant director Todd Grodnick. The placard was sold on It's A Wrap! sale and auction for US$31.99. [1]
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