D. Gluck was a Starfleet officer in the 23rd century. In 2285, he was a vice admiral at Starfleet Academy's Starfleet Training Command. He was in Receivingship. His office, located on the second level of a building, was in room #200. His rank, name, division or 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. He was named after Daniel Gluck. The placard was sold on It's A Wrap! sale and auction for US$31.99. [1]