Few would argue that Richard Dawkins is the world's most famous atheist, especially now that his friend and rival for the title, Christopher Hitchens, has now gone to meet his Maker.
Christopher Hitchens was a great warrior, a magnificent orator, a pugilist and a gentleman. He was kind, but he took no prisoners when arguing with idiots.
Christopher Hitchens was a writer and an orator with a matchless style, commanding a vocabulary and a range of literary and historical allusion far wider than anybody I know.
Christopher Hitchens is the greatest living essayist in the English language.
Atheism is a moral position - a rather rigid one, if you've ever read the opinions of its highest-profile espousers, Christopher Hitchens and Richard Dawkins.
Christopher Hitchens was a wit, a charmer, and a troublemaker, and to those who knew him well, he was a gift from - dare I say it - God.
I have been asked whether I wish to nominate a successor, an inheritor, a dauphin or delfino. I have decided to name Christopher Hitchens.
The orator is thereby an orator that keeps his feet ever on a fact.
The late Christopher Hitchens had the professional contrarian's fixation on attacking sacred cows, and rather soon after his cancer diagnosis, he became one himself.
I do look for openings where I can overturn popular misconceptions, but unlike Christopher Hitchens, I am neither a contrarian nor a lone heretic. I like to have a significant number of academics watching my back.
One of the people I most admired was Christopher Hitchens. He was extremely polarizing but extremely honest, to a fault sometimes, but I respected him for that, and I loved his debating style.
What replaces Christianity isn't going to be Richard Dawkins, Christopher Hitchens, and so on. It's going to be something else and something secular people may not like very much.
I haven't seen much socially redeeming about religion. I'm an atheist. I don't here want to get into the Hitchens- or Dawkins-style attack on religion. I was raised on that. It's boring.
Christopher Hitchens and I were not friends or even acquaintances. We never met or spoke on the phone, just exchanged occasional brief letters - notes, really - hand-written and snail-mailed at first, e-mailed later.
Christopher Hitchens's autobiography, 'Hitch 22', is a poignant read and very interesting because I have a very poor knowledge of recent political history - or, for that matter, distant political history.
Each of us should think of the future. Every puff on a cigarette is another tick closer to a time bomb of terrible consequences. Christopher Hitchens didn't care about the consequences of smoking cigarettes. Tragically, he died of throat cancer in December 2011.