Haskell
Ensign Haskell was a 24th century Starfleet officer serving as a relief conn officer aboard the  under Captain Jean-Luc Picard.

In 2365, Haskell served at the conn when the Enterprise-D encountered Nagilum in an unknown void in the Morgana Quadrant. Shortly after Nagilum questioned about the limited life span of those on the bridge, Haskell grabbed his head and cried out before collapsing and dying. His death was part of an experiment conducted by Nagilum to understand the concept of death. ()

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Humans
Starfleet command personnel
USS Enterprise (NCC-1701-D) personnel