Computer scientist known for pioneering work on object-oriented programming and GUI design. Led the design and development of the first modern windowed computer desktop interface and co-developed the Smalltalk programming language. Received the Turing Award in 2003.

American businessman, investor, and philanthropist. Vice chairman of Berkshire Hathaway and chairman of the Daily Journal Corporation.

British physicist at the University of Oxford. Pioneered the field of quantum computation, formulated a description for a quantum Turing machine, and specified an algorithm for quantum computers. Proposer of using entangled states and Bell's theorem for quantum key distribution. Proponent of the many-worlds interpretation of quantum mechanics.

Business magnate, media proprietor, and investor. Founder, executive chairman, and former president and CEO of Amazon, the world's largest e-commerce and cloud computing company. Third-wealthiest person in the world.

Alex J. O’Connor is founder of the “Cosmic Skeptic” YouTube channel, podcast and blog, platforms dedicated to the publication of philosophical ideas and debates in an accessible format. A recent graduate of philosophy and theology from St. John’s College, Oxford University, Alex is an international public speaker and debater, having delivered addresses across multiple continents at conferences, universities, and local drinking groups, as well as debated ethics, religion, and politics with a number of high-profile opponents before college audiences, on radio talk shows and on national television.