Dr. Alex Hershaft is a Holocaust survivor, animal rights activist, and co-founder and president of the Farm Animal Rights Movement (FARM). He has previously had a 30-year career in materials science, and holds a PHD in inorganic chemistry. Dr. Hershaft speaks to Alex about his experiences in the Holocaust, and how they inspired the work he does today.

Michael J. Sandel is an American political philosopher, and Professor of Government Theory at Harvard University Law School. Dr. Sandel talks to Alex about his new book, The Tyranny of Merit, discussing not just whether meritocracy is achievable in practice, but also whether it is even something we should aim for at all, highlighting the wealth of potential damage that meritocracy can affect on a society which embraces it.

William Lane Craig is an American philosopher and Christian theologian. He holds two PHDs in philosophy and theology, and is a professor of philosophy at Houston Baptist and Biola Universities. Dr. Craig is arguably the world's most famous Christian apologist, and often cited as its most effective public defender. He is the man who gave the kalam cosmological argument its name, and he speaks to Alex in this episode about that argument, and answers a number of objections to it.

Joey Carbstrong is an Australian animal rights activist and vegan. Formerly a criminal, Joey turned his life around and now campaigns for animals, his views having been widely syndicated across various platforms including national television, radio, and his own highly popular YouTube channel. Joey speaks to Alex about how to advocate for veganism, and whether the forthright methods employed by many activists does more harm than good. Should vegans calm down?

Professor David Benatar is a South African philosopher, academic and author, and head of the philosophy department at the University of Cape Town in South Africa. He is best known for his defence of antinatalism, the view that it is immoral to have children (though more specifically, to bring new sentient beings into existence). Professor Benatar speaks to Alex about the asymmetry of pleasure and pain, and the two debate whether being anti-birth commits one to being pro-death.

Douglas Murray is a British conservative author and journalist, and associate editor of The Spectator. In 2017 Murray wrote The Strange Death of Europe, and now returns with The Madness of Crowds, a book about identitarianism in four areas: 'gay', 'women', 'race' and 'trans'. Douglas speaks to Alex about the logic of reparations and a retributive approach to historical injustice, as well as the nature of gender, and the advocacy tactics of the LGBT community.

Richard Dawkins is the world-famous evolutionary biologist, bestselling science writer, emeritus fellow of New College, Oxford, previously Oxford University's Professor for Public Understanding of Science. In 1976 Dawkins wrote The Selfish Gene, introducing the term 'meme' and beginning a career of publications including The Blind Watchmaker, The God Delusion, and Outgrowing God. Dawkins speaks to Alex about atheism, the labelling of children as 'atheists', the basis of morality, and theology.