The 16th Symposium On Fusion Technology (SOFT) was hosted by the JET project and held at the Queen Elizabeth II Conference Centre in London, England between the 3rd and 7th of September, 1990. The majority of the 556 attendance came from European Institutions, but there were also delegates from Japan, the USA, and other countries. This conference has matured considerably over the past decade, and it now attracts numerous industrial sponsors. The conference draws its strength from two themes - invited talks and supporting oral presentations, complemented by many poster presentations. At this symposium, there were 17 invited talks, 15 oral and 321 poster presentations. The following summary groups the various papers by topic.