Tasmanian-born Dr Elizabeth Blackburn is a global life force through pioneering work on extending human life and preventing dementia, but when it comes to making food choices the Nobel Laureate defers to the needs of others.
Sitting in the minimalist surroundings of In Situ restaurant inside the San Francisco Museum of Modern Art, she opts for "Canned" soup – shiitake and pea leaf dumplings in a vegetable broth – as a main course.