D. Stapf
D. Stapf was a Starfleet officer who served during the early to mid-23rd century. 

Stapf was named as one of the yard engineers at San Francisco Fleet Yards, listed on the dedication plaques of both the  and the . (, dedication plaque; , dedication plaque)

de: D. Stapf
Individuals
Starfleet operations personnel
USS Shenzhou dedication plaque personnel
USS Discovery dedication plaque personnel