Jeff Stephenson

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Jeff Stephenson




A.K.A.

  • Jeffrey Alan Stephenson


About

Jeff Stephenson Designer & Programmer 1982-1993 was one of the company's first employees, Jeff Stephenson created SCI, the object-oriented scripting language of Sierra On-Line for its adventure games after the older AGI (for which he is also partly responsible for), 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, before it became known as Sierra Creative Interpreter.

Jeff&AvisStephenson.png
Jeff Stephenson
and Avis Durgan

The encryption string "AVIS DURGAN" used in AGI resources is borrowed from his wife's name, Avis Durgan<ref>AGI Specifications: Chapter 11 - Other Game Data#The file encryption</ref>.

In the early '90s, as Sierra's Lead Programmer, he was also involved with creating TSN (The Sierra Network), later TNN (The ImagiNation Network) <ref>Larryland OR: How We (re)Invented the Internet</ref>, the architecture for online games. In 1992, he left the company for good. <ref>SCI Programming message board thread on Jeff and Avis</ref>

Educational Background

Program Development, Interface Development


Home Page


Contributions by Jeff Stephenson

Title Year Credits
Conquests of Camelot: The Search for the Grail 1990 Development System by
Time Zone 1982 Program Development Coordinators
King's Quest V: Absence Makes the Heart Go Yonder 1990 Development System
Leisure Suit Larry Goes Looking for Love (In Several Wrong Places) 1988 Game Development System
Manhunter: New York 1988 Game Development System by
Police Quest 2: The Vengeance 1988 Development System
Space Quest II: Chapter II - Vohaul's Revenge 1987 Game Development System by
Space Quest: Chapter I - The Sarien Encounter 1986 Game Development System by
King's Quest 1984 New version by
Crazy Nick's Software Picks: King Graham's Board Game Challenge 1992 System Development
The Dagger of Amon Ra 1992 Development System
Jones in the Fast Lane (CD-ROM)|Jones in the Fast Lane|Jones in the Fast Lane (CD-ROM) 1992 Interpreter / Development System
Police Quest: In Pursuit of the Death Angel 1992 Development System
Quest for Glory III: Wages of War 1992 Interpreter / Development System
Castle of Dr. Brain 1991 Development System
Conquests of the Longbow: The Legend of Robin Hood 1991 Development System
EcoQuest: The Search for Cetus 1991 Interpreter / Development System
Hoyle Official Book of Games, Volume 3: Great Board Games 1991 Interpreter / Development System
Jones in the Fast Lane 1991 Development System
Leisure Suit Larry 1: In the Land of the Lounge Lizards VGA 1991 System Programmer
Leisure Suit Larry 5: Passionate Patti Does a Little Undercover Work 1991 Interpreter / Development System
Mixed-Up Fairy Tales 1991 Development System
Mixed-Up Mother Goose 1991 SCI Development System
Police Quest 3: The Kindred 1991 Development System
Mixed-Up Mother Goose 1991 Development System (Floppy Disk)
Space Quest I: The Sarien Encounter SCI 1991 System Development
Space Quest IV: Roger Wilco and the Time Rippers 1991 System Development
Conquests of Camelot: The Search for the Grail 1990 Development system by
Hoyle Official Book of Games, Volume 2: Solitaire 1990 Development System
King's Quest V: Absence Makes the Heart Go Yonder 1990 Development System
Quest for Glory II: Trial by Fire 1990 Interpreter / Development System
King's Quest I: Quest for the Crown - SCI 1990 Development System by
Code-Name: Iceman 1989 Development System
The Colonel's Bequest 1989 Authors
Hero's Quest: So You Want to Be a Hero 1989 Development System by
Hoyle Official Book of Games 1989 Development System
Leisure Suit Larry 3: Passionate Patti in Pursuit of the Pulsating Pectorals 1989 Sierra's Creative Interpreter
Manhunter 2: San Francisco 1989 Game System
Space Quest III: The Pirates of Pestulon 1989 Sierra Creative Interpreter (SCI) by
Gold Rush! 1988 Game Development System
King's Quest IV: The Perils of Rosella 1988 Game Development System
Leisure Suit Larry Goes Looking for Love (In Several Wrong Places) 1988 Game Development System
Manhunter: New York 1988 Game Development System
Police Quest 2: The Vengeance 1988 Game Development System
Leisure Suit Larry in the Land of the Lounge Lizards 1987 Run-time interpreter written by
Mixed-Up Mother Goose 1987 Adventure Game Interpreter's Authors
Police Quest: In Pursuit of the Death Angel 1987 Run-Time Interpeter
Space Quest II: Chapter II - Vohaul's Revenge 1987 Game development system by
The Black Cauldron 1986 Programming by
King's Quest III: To Heir is Human 1986 Game Development System by
Space Quest: Chapter I - The Sarien Encounter 1986 Game Development System by
Donald Duck's Playground 1985 Programming by:
King's Quest II: Romancing the Throne 1985 Programming
King's Quest 1984 Apple version by
Hi-Res Adventure #2: The Wizard and the Princess|Wizard and the Princess|Hi-Res Adventure #2: The Wizard and the Princess 1982 Implemented by
Hi-Res Adventure #4: Ulysses and the Golden Fleece|Ulysses and the Golden Fleece|Hi-Res Adventure #4: Ulysses and the Golden Fleece 1982 Implemented by
Leisure Suit Larry 3: Passionate Patti in Pursuit of the Pulsating Pectorals 1989 Sierra's Creative Interpreter
King's Quest 1984 New Version by


References

<references />


See Also

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