Ralph Johnson (Lieutenant)
Ralph Johnson was a Starfleet officer in the 24th century. 

In 2353, he was listed as a Starfleet Operational Support Services officer on a directory placard in Starbase 32, Maxia sector. His office was located in room #65146. (, directory)

In 2371, he was a crewmember 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, he was listed on the Planetary Geosciences Division duty roster. ()

de: Ralph Johnson (Sternenflotte)
Starbase 32 personnel
Starfleet sciences personnel
Individuals
Starfleet sciences personnel
USS Voyager personnel