Hildebrandt was a scientist whose observations of tachyon propagation appeared to be fairly consistent with a Hucklesby field density. This individual's name was mentioned in journals read by Lieutenant Commander Data as he was searching for clues on how to detect cloaked Romulan warbirds during the Klingon Civil War in 2368. (TNG-R: "Redemption II")

This character was only mentioned in writing.
This scientist was named after Marvin Hildebrandt, a colorist at CBS Digital.