Rolf Gruber

Rolf was an Engineer onboard the USS Bellatrix (NCC-1832) in the late 23rd century. 

Early life before Starfleet
Rolf was born on August 3, 2242 human calendar time on the planet Earth in Berlin, Germany.

Chronology

 * 2242: Rolf is born on the planet Earth in Berlin, Germany.
 * 2258: Rolf enters Starfleet Academy
 * 2262: Rolf graduates Starfleet Academy and promoted to Ensign, the first assignment is the USS Camus as an engineer.
 * 2265: Rolf is promoted to Lieutenant junior grade and is assigned to the USS Benecia as an engineer.
 * 2270: Rolf is promoted to full Lieutenant and to the USS Bellatrix an Engineer.