Lynn Margulis (born Lynn Petra Alexander; March 5, 1938 – November 22, 2011) was an American evolutionary theorist, biologist, science author, educator, and science popularizer, and was the primary modern proponent for the significance of symbiosis in evolution.
Twitter reported a crash, as did Wikipedia at 3:15 pm PDT (22:15 UTC). The Wikimedia Foundation reported nearly a million visitors to Jackson's biography within one hour, probably the most visitors in a one-hour period to any article in Wikipedia's history up to that point. AOL Instant Messenger collapsed for 40 minutes.