Companion (Doctor Who) companions too have been depicted in the revived era, such as Jo Grant (n/k/a Jo Jones)'s grandson Santiago Jones; and Sarah Jane Smith's parents, adopted son Luke Smith, adopted daughter Sky Smith, and alternate timeline fiancé Peter Dalton; and Alistair Lethbridge-Stewart's daughter Kate Stewart. Another change in the revived era is the depiction of many companions' pre-Doctor lives, particularly their childhoods; no companion was so depicted in the classic era, aside from John Benton being temporarily 'de-aged' by The Master. Companions Rose Tyler, Mickey Smith, Adelaide Brooke, Amy Pond, Rory Williams, River Song and Clara Oswald have all been portrayed
The Cambridge Companion to Marx appropriate to the book. Jacobs reviewed the book as part of a discussion of "The second wave of analytical Marxism". "The Cambridge Companion to Marx" was praised by the political scientist David McLellan in "The Thought of Karl Marx: An Introduction" (1995). The Cambridge Companion to Marx The Cambridge Companion to Marx is a 1991 collection of articles about Karl Marx edited by the political theorist Terrell Carver. The book received mixed reviews, questioning the inclusion or exclusion of particular topics, but praising some of the contributions. "The Cambridge Companion to Marx" contains articles that link Marx to contemporary questions