PLATO Collaborations

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A Collaborative Effort: The People Behind PLATO

Around 1959 Chalmers Sherwin, a physicist at the University of Illinois, suggested a computerized learning system to William Everett, the engineering college dean, who, in turn, recommended that Daniel Alpert, another physicist, convene a meeting about the matter with engineers, administrators, mathematicians, and psychologists. After weeks of meetings they were unable to suggest a single-design system, yet, before conceding failure, Alpert mentioned the matter to laboratory assistant Donald Bitzer, who had been thinking about the problem, suggesting he could build a demonstration system.
Bitzer, regarded as the Father of PLATO, recognized that in order to provide quality computer-based education, good graphics were critical (this at a time when 10 character per second teleprinters were the norm). In 1960, the first system, PLATO I, operated on the local ILLIAC I computer. It included a television set for display and a special keyboard for navigating the system's function menus; PLATO II, in 1961, featured two users at once.
Convinced of the value of the project, the PLATO system was re-designed, between 1963 and 1969; PLATO III allowed "anyone" to design new lesson modules using their TUTOR programming language, conceived in 1967 by biology graduate student Paul Tenczar. Built on a CDC 1604, given to them by William Norris, PLATO III could simultaneously run up to 20 lessons, and was used by local facilities in Champaign-Urbana that could enter the system with their custom terminals.

Click to Learn More About the Individuals Behind the Technologies:

 
  • Donald Bitzer - regarded as the Father of PLATO; developed the early design while a lab assistant at UIUC.  Click here to watch Don Bitzer talk about the unique collaborative environment behind the PLATO project.


 
  • William Everett - Dean of the college of Engineering who had early involvement with PLATO
  • Daniel Alpert - Physicist at UIUC who had early involvement with PLATO
  • Paul Tenczar - A UIUC biology graduate student who developed the TUTOR programming language, which allowed any user the ability to create new lesson modules
  • David Woolley - Developed PLATO Notes, a precursor to today's online forums and message boards
  • Kim Mast - Developed Personal Notes, a precursor to today's email
  • Bruce Parrello - Developed a precursor to today's blogging, called News Reports, which allowed users to post news stories for other users to read