Bob Blackman (Lieutenant Commander)
Bob Blackman was a Starfleet officer who lived during the mid-24th century. 

In 2371, he was a crew member aboard the . He was among the crew stranded in the Delta Quadrant, when Voyager was forcefully brought there by the .

In 2372, as a lieutenant commander, he was listed on the Planetary Geosciences Division duty roster. ( okudagram)

Individuals
USS Voyager personnel
Starfleet sciences personnel