Alexander Theodore Callinicos, a descendant through his mother of Lord Acton, is a political theorist and Director of the Centre for European Studies at King's College London. He holds both a BA and a DPhil from Oxford University.
It would be wrong to call this a biography and thus takes "A Tribute" seriously. From human nature, to modern Trotskyism this book deepens Hallas' thought whilst weaving in personal experience and understanding of his life.