On Sun, Mar 12, 2023 at 12:44:14PM +1100, Jonathan Gray wrote:
A $20k price for commercial use is mentioned by Bill Mayhew then of
the Boston Children's Museum in
https://archive.org/details/1975-03-peoples-computer-company/page/10/mode/2…
"There are now more than 70 UNIX installations within and outside the
Bell System. Some representative non-Bell users include Columbia
University; the Oregon Museum of Science and Industry; Harvard
University; and the Boston Children’s Museum, the first licensed
non-Bell users."
https://www.usenix.org/system/files/login/articles/login_apr15_16_unix_news…
"UNIX at the Children’s Museum has been fully operational since
August, 1974. Development work jointly with Harvard University began the
previous winter, making us one of the first non-Bell users"
Bill Mayhew recounted this in
https://www.tuhs.org/pipermail/tuhs/2002-November/002217.html
"The first educational licence was granted, in October 1973, to
Columbia University
...
The Children's Museum in Boston was the first non educational recipient
of UNIX in October 1973 and The Hebrew University of Jerusalem was the
first organization outside the US to obtain a licence, in February 1974.
Queen Mary College in London was granted a licence in May 1974 and the
Rand Corporation became the first commercial licensee, in July 1974."
from Pirzada's thesis
"the University of New South Wales negotiated a license for software
from the Western Electric Company of New York at the end of 1974"
John Lions - Experiences with the UNIX Time-sharing System
Software Practice and Experience, vol. 9, no. 9, pp. 701–709, Sept. 1979