William Jefferies

• Full Name: William M. Jefferies
• Species: Human
• Gender: Male
• By 2238: Admiral, theoretical engineer, Starfleet; San Francisco Fleet Yards (TOS Novel: Errand of Vengeance: Killing Blow)
  • By 2238: Project supervisor, Constitution-class development project (TOS Novel: Errand of Vengeance: Killing Blow)
• 2242: Admiral, commanding officer, Starfleet; USS Constitution (TOS Novel: Errand of Vengeance: Killing Blow)