Yuval Noah Harari is an Israeli medievalist, military historian, public intellectual, and popular science writer.

Marcus Aurelius (April 26, 121 CE – March 17, 180 CE) was a Roman Emperor (161–180 CE) born into a wealthy patrician family in Rome. Raised by his mother and paternal grandfather after his father's death, he is best known for his *Meditations*, a series of private writings on Stoic philosophy that remain a key source for understanding ancient Stoicism.

The School of Life is a British multinational publishing and education company founded in 2008 by British author and public speaker Alain de Botton.

Atlas Britton is the author of *Provocative Philosophical Questions That Inspire Deep Thinking and Deeper Living* (2023), an audiobook narrated by Joshua Johnson and available on Audible.

Tejas Hiremani is the author of *The Principles of Creation: The Underlying Spiritual Forces to Guide Life, from Genesis to the Space Age*. Described as a successful investor, he compiled seven timeless principles intended to guide human progress and self-understanding. The book was self-published under his own name in hardcover.