Dan Brown is the bestselling author of the Robert Langdon thriller series, including The Da Vinci Code, Angels & Demons, The Lost Symbol, Inferno, and Origin. His novels have sold 250 million copies worldwide. Brown’s work has defined a modern genre of high-concept, research-driven thrillers that fuse art, history, religion, and science, and several of his books have been adapted into major feature films. His latest book, The Secret of Secrets, released in September 2025, returns to the Robert Langdon character in a new contemporary thriller.

Nick Broomfield is an award-winning documentary filmmaker. Over a career spanning more than five decades, he has made acclaimed films on subjects ranging from serial killer Aileen Wuornos and the deaths of Biggie Smalls and Tupac Shakur, to Kurt Cobain and Courtney Love, Whitney Houston, and South African politics. He later expanded into what he calls “Direct Cinema,” using non-actors in scripted dramas such as Ghosts and Battle for Haditha to explore social and political fault lines with documentary immediacy. His experimental and investigative work has earned major honors, including a Sundance First Prize, a British Academy Award, and the DuPont-Columbia Award for Outstanding Journalism.

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Legendary music producer Jimmy Iovine returns to Tetragrammaton to reflect on the pivotal moments that shaped his path from young engineer to industry visionary. He recounts early lessons learned while working with John Lennon and Bruce Springsteen, and the creative spark that led to the founding of Beats with Dr. Dre, which redefined headphone culture worldwide. This journey inspired the model behind the USC Iovine and Young Academy, an interdisciplinary program designed to merge art, technology, and business for the next generation of creators.

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Rupi Kaur is a globally acclaimed poet, performer, and artist. Rising to prominence with her debut collection Milk and Honey in 2014, which she self-published at 21 years old, Kaur became one of the best-selling poets of the 21st century, expanding her voice through later works, including The Sun and Her Flowers and Home Body. Kaur’s achievements extend beyond publishing, with sold-out international tours, multimedia collaborations, and millions of followers engaging with her work across platforms.

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Gavin de Becker is a security specialist and author whose work focuses on predicting and preventing violence. He founded Gavin de Becker & Associates in 1978, a firm that advises and protects some of the world’s most high-profile figures and organizations, and has developed widely used threat assessment tools such as MOSAIC for governmental agencies including the U.S. Marshals Service and Central Intelligence Agency. De Becker has served as an advisor to three U.S. presidents and earned accolades for his impact on public safety protocols. His bestselling book, The Gift of Fear, has helped shape public understanding of violence prevention and continues to be a reference in the field.

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Mike Gordon is the bassist and a founding member of Phish. Since the band’s formation at the University of Vermont in 1983, he has been responsible for writing and co-writing several of Phish’s key tracks, including “Mike’s Song,” “Simple,” and “Contact,” while also collaborating on a variety of instruments beyond bass, such as banjo, accordion, and guitar. Outside of Phish, Gordon has released multiple solo albums and directed the films Outside Out and Rising Low, expanding his career into filmmaking and music production.

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Woody Allen is an Academy Award-winning filmmaker, writer, and comedian. Beginning in stand-up and television before turning to film, Allen became a defining voice of 1970s cinema with Annie Hall, the romantic comedy that earned him four Oscars including Best Picture and Best Director. Over his six decade career, he has written and directed
more than 50 films exploring themes of love, irony, and existential doubt, from Manhattan and Hannah and Her Sisters to Midnight in Paris.

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Mollie Engelhart is a chef, restaurateur, and regenerative farmer whose career spans the culinary and agricultural worlds. She co-founded Sage Regenerative Kitchen and previously ran several Los Angeles restaurants, including Sage Vegan Bistro and KindKreme. After years in the plant-based restaurant industry, she shifted her focus to regenerative agriculture, founding Sovereignty Ranch in Texas, where she integrates sustainable farming practices with her food ventures. She is the author of Debunked by Nature, a book exploring lessons from motherhood, farming, and food.

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Tyler Cowen returns to continue his conversation in Part Two. Tyler Cowen is a leading economist, author, and professor, currently holding the Holbert L. Harris Chair of Economics at George Mason University, where he also serves as chairman and faculty director of the Mercatus Center. Widely recognized for his influential economic ideas, Cowen co-authors the long-running blog Marginal Revolution with Alex Tabarrok, and together they have also created Marginal Revolution University, which offers accessible, world-class economics education online. Cowen has also authored several books, including "The Great Stagnation," which analyzes the slowdown in economic growth, and "Average Is Over," exploring the future of work and inequality.

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Tyler Cowen is a leading economist, author, and professor, currently holding the Holbert L. Harris Chair of Economics at George Mason University, where he also serves as chairman and faculty director of the Mercatus Center. Widely recognized for his influential economic ideas,
Cowen co-authors the long-running blog Marginal Revolution with Alex Tabarrok, and together they have also created Marginal Revolution University, which offers accessible, world-class economics education online. Cowen has also authored several books, including "The Great
Stagnation," which analyzes the slowdown in economic growth, and "Average Is Over," exploring the future of work and inequality.

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M.I.A. is a music artist, producer, and creative force, known for blending electronic, hip-hop, and world music. Hailing from London with Sri Lankan roots, she gained international recognition with her debut album Arular and breakthrough hits like “Galang” and “Paper Planes.” Her later albums,
including Kala and Matangi, continued to explore themes of identity, globalization, and politics through bold production and visual art. Beyond music, M.I.A. has directed films, exhibited artwork, and remained an outspoken advocate for refugee and immigrant rights.

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