Jeff Stephenson

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Jeff Stephenson

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Jeff Stephenson Designer & Programmer 1982-1993

Jeff Stephenson created SCI (Sierra's Creative Interpreter), the object-oriented scripting language of Sierra On-Line for its adventure games after the older AGI (a procedural language). Previously, he also was the head of Sierra’s AGI and SCI system programmers and responsible for much of the code of both of those languages. He originally called it LSCI, for Large-model Script Code Interpreter, and later SCI because it ran scripts, until someone in marketing found a better way to explain the acronym.

He was one of the company's first employees, struggling through the down times when Sierra almost went under. When Sierra got back on track, development began on King's Quest.

In the early nineties, as Sierra's Lead Programmer, he was also involved with creating TSN (The Sierra Network), later INN (The ImagiNation Network), the architecture for online games. In 1992, he left the company for good.



Educational Background:

Program Development, Interface Development

Where Is He Now?:


http://sciprogramming.com/community/index.php?topic=369.30

http://www.mobygames.com/developer/sheet/view/developerId,52/

http://www.allowe.com/games/larry/inside-stories/larryland.html

I'm probably the last to know this, but anyway: Jeff Stephenson is the brain behind Sierra's SCI fame, and also partly responsible for AGI. He's came up with the encryption string "AVIS DURGAN" used in AGI resources. Turns out Avis Durgan is not only a string, it is also the name of his wife, and lately they had some financial troubles which they shared with a reporter: http://www.marketplace.org/topics/your-money/borrowers/good-credit-not-immune-cuts



Programming/Engineering - gameography

  • Crazy Nick's Picks: King Graham's Board Game Challenge (1993), Sierra On-Line, Inc.
  • The Dagger of Amon Ra (1992), Sierra On-Line, Inc.
  • Jones in the Fast Lane (Enhanced CDROM version) (1992), Sierra On-Line, Inc.
  • Quest for Glory III: Wages of War (1992), Sierra On-Line, Inc.
  • Castle of Dr. Brain (1991), Sierra On-Line, Inc.
  • Conquests of the Longbow: The Legend of Robin Hood (1991), Sierra On-Line, Inc.
  • EcoQuest: The Search for Cetus (1991), Sierra On-Line, Inc.
  • Hoyle Official Book of Games: Volume 3 (1991), Sierra On-Line, Inc.
  • Jones in the Fast Lane (1991), Sierra On-Line, Inc.
  • Leisure Suit Larry 1: In the Land of the Lounge Lizards (1991), Sierra On-Line, Inc.
  • Leisure Suit Larry 5: Passionate Patti Does a Little Undercover Work (1991), Sierra On-Line, Inc.
  • Police Quest 3: The Kindred (1991), Sierra On-Line, Inc.
  • Roberta Williams' Mixed-Up Mother Goose (1991), Sierra On-Line, Inc.
  • Space Quest I: Roger Wilco in the Sarien Encounter (1991), Sierra On-Line, Inc.
  • Space Quest IV: Roger Wilco and the Time Rippers (1991), Sierra On-Line, Inc.
  • Conquests of Camelot: The Search for the Grail (1990), Sierra On-Line, Inc.
  • Hoyle Official Book of Games: Volume 2 (1990), Sierra On-Line, Inc.
  • King's Quest V: Absence Makes the Heart Go Yonder! (1990), Sierra On-Line, Inc.
  • Mixed-Up Mother Goose (1991), Sierra On-Line, Inc.
  • Quest for Glory II: Trial by Fire (1990), Sierra On-Line, Inc.
  • Codename: ICEMAN (1989), Sierra On-Line, Inc.
  • The Colonel's Bequest (1989), Sierra On-Line, Inc.
  • Hero's Quest: So You Want To Be A Hero (1989), Sierra On-Line, Inc.
  • Hoyle Official Book of Games: Volume 1 (1989), Sierra On-Line, Inc.
  • Leisure Suit Larry III: Passionate Patti in Pursuit of the Pulsating Pectorals (1989), Sierra On-Line, Inc.
  • Manhunter 2: San Francisco (1989), Sierra On-Line, Inc.
  • Space Quest III: The Pirates of Pestulon (1989), Sierra On-Line, Inc.
  • Gold Rush! (1988), Sierra On-Line, Inc.
  • King's Quest IV: The Perils of Rosella (1988), Sierra On-Line, Inc.
  • Leisure Suit Larry Goes Looking for Love (In Several Wrong Places) (1988), Sierra On-Line, Inc.
  • Manhunter: New York (1988), Sierra On-Line, Inc.
  • Police Quest 2: The Vengeance (1988), Sierra On-Line, Inc.
  • Leisure Suit Larry in the Land of the Lounge Lizards (1987), Sierra On-Line, Inc.
  • Police Quest: In Pursuit of the Death Angel (1987), Sierra On-Line, Inc.
  • Space Quest II: Chapter II - Vohaul's Revenge (1987), Sierra On-Line, Inc.
  • The Black Cauldron (1986), Sierra On-Line, Inc.
  • King's Quest III: To Heir is Human (1986), Sierra On-Line, Inc.
  • Space Quest: The Sarien Encounter (1986), Sierra On-Line, Inc.
  • King's Quest II: Romancing the Throne (1985), Sierra On-Line, Inc.
  • Donald Duck's Playground (1986), Sierra On-Line, Inc.
  • King's Quest (1984), Sierra On-Line, Inc.
  • Hi-Res Adventure #4: Ulysses and the Golden Fleece (1982), Sierra On-Line, Inc.
  • Hi-Res Adventure #2: The Wizard and the Princess (1982), IBM

Design - gameography

  • Mixed-Up Fairy Tales (1991), Sierra On-Line, Inc.
  • King's Quest V: Absence Makes the Heart Go Yonder! (1990), Sierra On-Line, Inc.
  • Roberta Williams' King's Quest I: Quest for the Crown (1990), Sierra On-Line, Inc.
  • Leisure Suit Larry Goes Looking for Love (In Several Wrong Places) (1988), Sierra On-Line, Inc.
  • Manhunter: New York (1988), Sierra On-Line, Inc.
  • Police Quest 2: The Vengeance (1988), Sierra On-Line, Inc.
  • Space Quest II: Chapter II - Vohaul's Revenge (1987), Sierra On-Line, Inc.
  • Space Quest: The Sarien Encounter (1986), Sierra On-Line, Inc.
  • King's Quest (1984), Sierra On-Line, Inc.

Other - gameography

  • Police Quest: In Pursuit of the Death Angel (1992), Sierra On-Line, Inc.
  • Police Quest 3: The Kindred (1991), Sierra On-Line, Inc.
  • Leisure Suit Larry III: Passionate Patti in Pursuit of the Pulsating Pectorals (1989), Sierra On-Line, Inc.
  • King's Quest (1984), Sierra On-Line, Inc.

Production - gameography

  • Hi-Res Adventure #5: Time Zone (1982), On-Line Systems
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