Distance education allows for instruction of students who are separated from instructors by time and distance. One of the earliest examples was in 1728 when an instructor advertised weekly mailed lessons. In the 1840s, Sir Isaac Pitman pioneered distance education through mailed lessons and student feedback. The University of London was the first to offer distance learning degrees starting in 1858. Radio and television were early technologies experimented with for distance education delivery, while the Open University in the UK in the 1960s revolutionized distance education through the use of television and correspondence courses.
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