Donald Kaplan
Commander Donald Kaplan was the chief engineer of the  in 2370.

He attended Starfleet Academy with Geordi La Forge; since that time, the two engineers had a friendly rivalry, regularly engaging in contests to see whose vessel had more efficient power conversion systems. When the Intrepid achieved a higher power conversion level than was achieved on the , he sent a message to La Forge that, in part, read "Maybe you should try cleaning your plasma grid once in a while." ()

Individuals
Starfleet personnel (24th century)