Original sentence: Heisenberg was a hedonist who constantly flirted and danced with women on the ship, while Dirac - 'an Edwardian geek', as [biographer] Graham Farmelo puts it - suffered agonies if forced into any kind of socialising or small talk.Presumably drawing on the 2009 biography, a reviewer of the biography tells the anecdote of Werner Heisenberg and Dirac sailing on a cruise ship to a conference in Japan in August, 1929
Edited sentence: A reviewer of the 2009 biography tells the anecdote of Werner Heisenberg and Dirac sailing on a cruise ship to a conference in Japan in August, 1929.Heisenberg was a hedonist who constantly flirted and danced with women on the ship, while Dirac—'an Edwardian geek', as [biographer] Graham Farmelo puts it—suffered agonies if forced into any kind of socialising or small talk