Episode 100: Live at Barnes & Thornburg — Reflections on the First 100 Episodes

This is the 100th episode of The New Quantum Era, and it arrives at a moment of convergence: the book is out, the Helgoland centennial documentary is in production, regional quantum ecosystems are scaling from ambition to construction, and the field is entering the transition from heroic-era qubit demos to the hard systems engineering that will determine whether quantum computing becomes a real industry. Bob Karr — who sits at the intersection of law, policy, and the quantum ecosystem as the person behind the Quantum Law Navigator and a convener across the Chicago quantum community — is the right person to conduct this retrospective, and Barnes & Thornburg, at the center of arguably the most sophisticated quantum ecosystem in the world, is the right place to do it. The conversation is structured as a celebration and an examination: what has Sebastian actually learned by sitting with nearly 100 physicists, engineers, founders, and policymakers? How has the field changed since that first visit to TJ Watson in 2017? What do regional hubs like the Illinois Quantum and Microelectronics Park and Quebec's DistriQ tell us about what it takes to move from science to industry? And what does the next era demand — not just from researchers and companies, but from everyone? --- What You'll Learn • Why the Helgoland documentary matters: in June 2025, Sebastian and his wife traveled to the island where Heisenberg's 1925 insight gave birth to quantum mechanics, producing a documentary at a Yale–Max Planck centennial conference attended by multiple Nobel laureates — and what that experience distilled about the state of the field • How Sebastian's journey into quantum began: arriving at IBM's TJ Watson Research Center in 2017 to help with Qiskit's open source strategy, encountering the 53-qubit milestone, and recognizing the earliest stages of an emerging technology that would become his life's work • What the "Heroic Age of Qubits" was — and why it ended: the period of genius PIs racing to prove quantum advantage, culminating in Google's 2019 random circuit sampling claim, and why that finish line turned out to be a starting line • What Harley Johnson and the IQMP reveal about ecosystem-building: why the Illinois Quantum and Microelectronics Park is the world's leading example of building a quantum ecosystem, and what it takes to bridge deep science and economic development • What Quebec's DistriQ teaches about sustainability: the 90% public / 10% private funding model designed to flip over ten years, and why that benchmark matters for every regional hub • Why Alejandra Castillo's economic development lens changed the picture: how quantum's impact extends far beyond qubits into advanced manufacturing, supply chain, and the communities that get to participate in the upside • What Nadya Mason's leadership model means for the field: the dean of UChicago's Pritzker School who wasn't a "math person" and sees leadership as service — and why the field needs every kind of creative mind, not just PhDs in physics • What John Martinis's arc from the 1986 Josephson junction paper through the Nobel Prize to CoLab reveals: the transition from heroic-era physicist to systems thinker pursuing open architecture and consortium-based quantum computing • Why the Monte Carlo algorithm is the key analogy for quantum's future: the technique that took 30 years to find its commercial application as a reminder that the most important uses of quantum computers haven't been imagined yet • Where fault tolerance actually stands: why it's an emergent property of the whole system — not a single breakthrough — and why the classical-quantum feedback loop for mid-circuit measurement and syndrome correction is the thing to watch • Why multiple qubit modalities will coexist: the case for neutral atoms in the near term, superconducting and spin qubits in the long term, and photonics as a dark horse — and why this isn't a winner-take-all race • What Build Quantum Partners is building: a new venture to reduce friction for quantum companies entering the U.S. market, partner with regional ecosystems, and ultimately develop the quantum equivalent of biotech hub infrastructure --- Resources & Links Guest & Host Links • Robert W. Karr Jr. — Barnes & Thornburg Attorney Profile (https://btlaw.com/en/people/robert-ka...) — Bob's firm bio covering his role as partner and QTI Group co-chair • Robert W. Karr Jr. — LinkedIn (  / robertkarrjr  ) — Recent activities including the Illinois–UK Quantum Partnerships Mission and Keidanren Next-Gen Salon • Quantum Law Navigator — Chicago Quantum Exchange (PDF) (https://chicagoquantum.org/sites/defa...) — The ten-chapter resource Bob led, mapping the U.S. legal and regulatory landscape for quantum • Barnes & Thornburg Quantum Technology Industry Group (https://btlaw.com/en/practices/qu...