Bulletin of the Atomic Scientists @thebulletin.org The best thinking on existential threats since 1945. Nuclear risk, climate change, and disruptive technologies. We set the #DoomsdayClock. thebulletin.org
Pavel Podvig @russianforces.org Russian nuclear forces, nuclear arms control, disarmament, verification. Strictly personal views here.
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Alex Wellerstein @wellerstein.bsky.social Nuclear historian. Prof@Stevens Institute of Technology. Visiting researcher@Nuclear Knowledges, Sciences Po, Paris. Senior Fellow@thebulletin.org. Author: THE MOST AWFUL RESPONSIBILITY (2025). Creator of NUKEMAP. Blogging @ https://doomsdaymachines.net.
Stephen Schwartz @atomicanalyst.bsky.social Editor/Co-author, “Atomic Audit: The Costs and Consequences of US Nuclear Weapons Since 1940” • Nonresident Senior Fellow, Bulletin of the Atomic Scientists • Nuclear weapons expert (history, policy, costs, accidents) and tracker of the nuclear “Football.”
Hans Kristensen @nukestrat.bsky.social Director, Nuclear Information Project, Federation of American Scientists. Tracking nuclear arsenals, co-author of Nuclear Notebook, SIPRI Yearbook. Opinions my own.
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