Short answers, pulled from the story.
JSTOR was founded in 1994 by William G. Bowen, who served as president of Princeton University from 1972 to 1988. It was initiated at seven library sites in 1995, originally covering ten economics and history journals.
In late 2010 and early 2011, Aaron Swartz used MIT's network to bulk-download a large portion of JSTOR's journal articles. JSTOR settled with him in June 2011 after he surrendered the data, but federal prosecutors charged him with thirteen counts carrying a potential penalty of 35 years in prison and $1 million in fines. Swartz died by suicide in January 2013 while the case was still pending.
According to Harvard Law professor Lawrence Lessig, JSTOR reportedly responded to inquiries about making the entire archive publicly available with a figure of $250 million.
The moving wall is an agreed delay between a journal's current issue and the most recent volume available on JSTOR. The delay is typically three to five years and is set by agreement between JSTOR and the journal's publisher, who can request that the period be changed.
JSTOR digitized the Philosophical Transactions of the Royal Society back to its first issue in 1665, making it the oldest material in the archive. The work of adding those volumes was completed by December 2000.
JSTOR's database contains more than 12 million journal articles across more than 75 disciplines, provided by more than 900 publishers. More than 7,000 institutions in more than 150 countries have access to the platform.