

In 1974 Minnesota Educational Computing Consortium (MECC), a state-funded organization that developed educational software for the classroom, hired Rawitsch. When the next semester ended, however, Rawitsch deleted the program, although he printed out a copy of the source code.


Despite bugs, the game was immediately popular, and he made it available to others on Minneapolis Public Schools' time-sharing service. The Oregon Trail debuted to Rawitsch's class on 3 December 1971. Rawitsch recruited two friends and fellow student teachers, Paul Dillenberger and Bill Heinemann, to help. He used HP Time-Shared BASIC running on an HP 2100 minicomputer to write a computer program to help teach the subject. In 1971 Don Rawitsch, a senior at Carleton College in Northfield, Minnesota, taught a history class as a student teacher.
