Companion (Doctor Who) "Face the Raven", but in a subsequent episode ("Hell Bent") her time stream is frozen at the moment of death by the Time Lords so that they can interrogate her about the Hybrid; the Doctor takes advantage of this to save her life, but she remains technically neither alive nor dead, does not age or have a pulse. After her departure as a companion of the Twelfth Doctor, she teams with the immortal Ashildr and travels in a stolen TARDIS. Other companions died in alternate timelines or alternate lives. "Brigade Leader" Alistair Lethbridge-Stewart, "Section Leader" Liz Shaw, and "Platoon Leader"
The Wavewatcher's Companion around them". Richard Holmes noted the importance of the award stating “Popular science is an increasingly important genre, and this is an increasingly important prize". The Wavewatcher's Companion The Wavewatcher's Companion is a 2010 science book by Gavin Pretor-Pinney. The book was the 2011 winner of the Royal Society Winton Prize for Science Books. The book is a wide-ranging discussion on waves in all their forms and how waves are such an intimate part of our lives. The book's topics include: As Jennifer Ouellette of the Wall Street Journal describes, Pretor-Pinney 'employs a chatty, conversational tone, with clear technical explanations