Re A (conjoined twins) a defence. Lord Justice Robert Walker focused upon the intention of the surgeons in concluding that surgery could go ahead. The 20-hour-long operation to separate the twins took place on 7 November 2000. As expected, Gracie survived the operation and Rosie died. Rosie's remains were later buried on the Maltese island of Gozo. In 2014, when Gracie was 14 years old, she was living a reasonably normal life, had a younger sister, and was thinking about studying to become a physician. Re A (conjoined twins) Re A (conjoined twins) [2001] 2 WLR 480 is a Court of Appeal decision on
There are known knowns management and strategic planning circles. Known unknowns refers to "risks you are aware of, such as cancelled flights..." Unknown unknowns are risks that come from situations that are so unexpected that they would not be considered. "For example, prior to the invention of the personal computer, manufacturers of typewriters probably didn't foresee the risks to their business". Contemporary usage is largely consistent with the earliest known usages. For example, the term was used in evidence given to the British Columbia Royal Commission of Inquiry into Uranium Mining in 1979: The term also appeared in a 1982 "New Yorker" article on