Marina Ratner, Émigré Mathematician Who Found Midlife Acclaim, Dies at 78 Dr. Ratner defied the notion that the brightest in her field do their best work when they are young. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Cassini's epic 20-year £3bn mission to Saturn was a triumph for scienceGary Wadler, Expert on Doping in Sports, Dies at 78Fire on the Mountain: 2 Forests Offer Clues to Yellowstone’s Fate in a Warming WorldEnd of the world - Mysterious UK crop circle ‘is a sign Nibiru is COMING September 23’Lake Ontario Journal: Hunting for a Canadian Legend: the Avro Arrow Jet FighterMatter: The Animals Most Threatened by Climate Change? The World’s Parasites