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 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 enlivened by real-world examples, whimsical asides, personal anecdotes and inventive analogies' to explain his subject. The book was well received on its publication. Victoria Segal