David Deutsch Compendium

Modern Wisdom episode #1164 was published October 17, 2026. Apple Podcasts lists the full 1:11:51 interview with Chris Williamson. The original host podcast listing and a Castro episode page remain available (the earlier Spreaker audio page now returns 404). Chris Williamson's Modern Wisdom YouTube channel published the complete ~72-minute video under the alternate title 'Why Pessimism Makes Dumb Ideas Sound Smart - David Deutsch'.

Schweizer Monat published this conversation with Alex Buxeda on 2026-10-12. The publisher page title is 'Why Does Progress Take So Long?'. Schweizer Monat EN's complete YouTube recording is titled 'The Only Thing That Has Ever Improved Anything | With David Deutsch', and the Apple Podcasts episode of the same session is titled 'We Explained Our Way Into Civilization | With David Deutsch'. Dirk's Deutschland archive hosts a full third-party transcript under the title 'The Only Thing That Has Ever Improved Anything'.

Richard Landes interviews Deutsch about the Pattern. The Infidel Awareness Month YouTube channel published the complete 1:07:23 conversation on 2026-09-28.

Lucas di Grassi frames the conversation as an introduction to Deutsch’s ideas for a broad Brazilian audience. The discussion ranges from explanations, learning and political error correction to quantum computing, Everettian quantum theory, free will, AGI and the future of humanity. An edited English transcript is available at Deutschland.

Conjecture Conference Europe’s source video states that Deutsch sat down for this Q&A on 2026-05-17 during Oxford 2026 (May 16–17); YouTube published the recording on 2026-07-08.

World Science Festival identifies May 1, 2026 as the original program date and lists the program as a May 1 premiere/past event. It is part of the Rethinking Reality series. The YouTube link is the complete 1:23:12 recording; no separate production date is stated.

Official EconTalk host page is the canonical source and includes the full episode, download, transcript, and publication date. Apple Podcasts retained as a platform mirror.

Source status: independent source unresolved

Deutsch Explains repost/mirror, published 2025-09-25 from the same 2025-09-24 event (not a separate appearance): https://www.youtube.com/watch?v=WZ22AJmuKKQ. Coverage article preserved: https://www.businessinsider.com/sam-altman-openai-david-deutsch-turing-test-for-agi-2025-9. LilysAI (now ReadRay) machine transcript/summary: https://readray.ai/en/notes/sam-altman-talks-20251105/sam-altman-david-deutsch-agi

Sana’s Strange Loop interview; title and host naming vary across platforms.

Video title variants include 'Quantum Theories Are Just MIRACLES! (But not this one)'.

Official IAI page identifies this as a separate Charlie Barnett interview published 2025-04-14; distinct from the 2025-04-07 live opening interview and panel.

IAI’s live-event listing places this opening interview at 17:20 BST on 2025-04-07, before the separate 18:00 panel DD-096. IAI published the recorded video page on 2025-06-10. The archived recording is available through IAI’s subscription library rather than as a free public stream.

A distinct 18:00 panel following DD-061’s separate 17:20 individual talk at the same IAI event.

Within Reason episode 102. Apple lists publication on 2025-04-07 and a 1h55m duration; Alex O’Connor’s paid video post followed on 2025-04-13.

Later Theory of Anything appearance, distinct from the 2021 special edition.

Public page contains the first half; the full conversation is available through the host’s Patreon.

First Gad Saad interview; distinct from DD-058.

ToKCast episode 223, published 2024-10-17, adds a short introduction by Brett Hall and then reproduces The Deutsch Files IV in full. It is a later rebroadcast/mirror of DD-056, not a separate appearance.

Breakthrough Discuss 2024 ran at the University of Oxford on 2024-07-18–19. The recording is identified as Day 2, corresponding to 2024-07-19. Breakthrough’s YouTube channel published the recording on 2024-07-28.

Long-form interview by Daniel Bechmann covering The Beginning of Infinity, knowledge, scientific progress, quantum theory, artificial intelligence, and related themes.

Date and duration confirmed on Naval.

Date and duration confirmed on Naval.

Guest Mark Alexander joins Lulie Tanett and David Deutsch.

Spotify mirror also exists.

Substantive monologue associated with Deutsch’s forthcoming book Irrationality. The original embedded-video date remains unresolved; 2023-07-21 is the accessible mirror’s publication date.

The archived copy of USI’s CQI seminar archive confirms the 2023-06-01 conversation, participants, moderator, topic, and venue/Zoom format. It is a reference source, not playback. The moderator’s YouTube channel published the recording on 2023-06-28.

Recorded in early 2022 and first published by Logan Chipkin’s Fallible Animals on 2023-03-07. FQxI’s 2024-02-17 episode “The Universal Constructor: A Conversation with David Deutsch” is a re-edit of the same conversation, with a different opening and some material trimmed.

IAI video page dates publication to 2022-11-20; its live-event listing gives 2022-11-07, so this row uses the video publication date.

Special QuSoft seminar held at CWI on 2022-11-11. After talks by Gilles Brassard and Charles Bennett, co-winners Peter Shor and David Deutsch joined digitally to discuss how they entered quantum information theory. QuSoft published its event recap on 2022-11-14.

Deutsch’s answer to Lev Vaidman at the Many-Worlds Interpretation of Quantum Mechanics research workshop at the Center for Quantum Science and Technology, Tel Aviv University, held 2022-10-18–24. Deutsch published the response on his official YouTube channel on 2022-10-27.

TNO published its page for Peter Werkhoven’s video-call interview with Deutsch on 2022-09-27 and embeds the C3XP0CAARU4 recording. The later third-party YouTube copy is about 87 seconds shorter and is kept as related material; no separate session.

Distinct lecture found during the 2026-07-17 DeutschCap audit; recording date may precede the YouTube publication date.

Brett Hall identifies this as the complete, unabridged discussion. The ten “Questions for David” episodes, published from 2021-06-10 through 2021-10-27, are excerpts from this same recording rather than separate appearances.

Full Ripples YouTube recording is 1:13:46. A later Jan. 23, 2022 repost in John Borthwick’s private podcast feed links back to this YouTube video.

German-language interview with translator Dennis Hackethal. Deutsch’s official YouTube channel published the recording on 2021-09-20. English-translation check (2026-08-06): Brett Hall hosts a complete English translation prepared by Jannik Wiese together with Dennis Hackethal, the original interviewer and German book translator. This gives strong participant provenance, but the page does not label it an official publisher transcript. No separate official English translation was found. DD-134 is a distinct English follow-up, not a translation.

Substantive English-language follow-up with Dennis Hackethal, not merely a promotional clip. Deutsch’s official YouTube channel published the recording on 2021-09-20.

Increments cites this as Deutsch’s 2021 talk on the correspondence theory of truth. The Oxford Karl Popper Society’s YouTube publication metadata dates the video to 2021-03-01.

Jesse Ray Nichols’s 4:48 excerpt, “On saving the world with David Deutsch + relationships and family,” explicitly links this session’s YouTube recording as its full video. The excerpt is preserved here as related material, not a separate appearance.

Distinct 2020 Logan Chipkin interview; retained separately from later constructor-theory appearances.

Remote talk and Q&A for the Centre for the Future of Intelligence. Deutsch’s official YouTube channel published the recording on 2020-05-26.

Direct Apple episode page normalized.

Direct Buzzsprout episode page normalized.

Deutsch’s official YouTube channel published this conversation on 2019-12-13.

Author-narrated version of Deutsch’s chapter in Possible Minds.

Deutsch is one of several expert interviewees in this documentary-style episode rather than its primary subject; he appears intermittently throughout the program.

Official TED metadata places the talk in April 2019; some indexes list October 2019.

Official Innovation Show episode page normalized as the canonical source; the exact YouTube recording remains as a mirror.

TED originally published this interview on 2018-10-23. TED Podcasts later released the same interview on YouTube on 2021-06-30; that YouTube upload is a later rebroadcast/mirror, not a separate appearance.

Deutsch’s official Papers, Articles, Audio page lists this as “‘Visionaries’ interview” with John Lobell. The episode date follows the original host URL (visionaries-072418), corroborated by the Deutschland transcript index. The live Podbean episode page now redirects to a login/error page; the 11 Sep 2025 archived copy of that original page is kept as a reference source, not as playback. The complete 54:33 recording is preserved by Deutsch Explains, with the host’s introduction and closing sign-off. This is a 2018 interview, not a new appearance on the later YouTube upload date.

Distinct from the later Joe Boswell constructor-theory and Brexit interviews.

Official award ceremony and lecture mirrors are retained in one normalized event row.

The official Beginning of Infinity media index identifies the CBC interview and transcript. CBC pages are currently inaccessible to automated retrieval; the publication date is explicit in the host URL and episode title.

The official Beginning of Infinity media index lists this CBC Tapestry interview in 2018. A third-party transcript is available via Deutschland. The exact publication date remains unverified.

Provider metadata resolves recording date 2017-02-07 and duration 1:06:43. Christian Transhumanist Association remains the canonical host page; Brickcaster preserves matching episode metadata and the host exposes a direct MP3. A third-party transcript of the interview is available at Deutschland.

Final Dennis Sciama Memorial Lecture.

The official Sam Harris transcript page is retained as the best transcript source. The earlier YouTube mirror (2dNxxmpKrfQ) became private; the complete 1:53:00 Deutsch Explains upload replaces it as the mirror and preferred playback.

The RSA Spotlight “David Deutsch on Optimism” is an excerpt from this event.

Research-heavy appearance surfaced through the constructor-theory ecosystem.

Source status: recording unavailable

Digital October’s Knowledge Stream hosted Deutsch by video link on 2013-06-24. This is a distinct lecture and post-lecture discussion, not the 2012 Edge Constructor Theory interview. The legacy Digital October video page is gone (404). The Internet Archive capture of 2018-11-01 is kept as a reference source, not a mirror: it shows the event page “Knowledge Stream: Constructor of the Impossible” (24 June, Deutsch by video link) but not a playable recording. Deutsch’s official Beginning of Infinity media index still links the event. The Knowledge Stream lecture page is slow and can take 30+ seconds to load.

Nautilus published Michael Segal’s full interview as “Ingenious: David Deutsch” on 2013-05-23. Its 2015-05-08 article by Yvonne Bang, “David Deutsch Explains Why It’s Good To Be Wrong,” excerpts the same interview and links back to the full version. The later article remains attached as an excerpt, not a separate appearance. The linked recording’s transcript follows the original publisher’s question sequence through the final question about an alternative career.

Aeon published the original essay on 2012-10-03 under the title “Creative blocks.” Deutsch later published a complete author-narrated version on his official YouTube channel on 2019-10-30 under the title “Why has AGI not been created yet?”. The narration is the same underlying work, so both representations retain one canonical DD identity.

Conjecture Institute documents that these nine edited episodes were recorded in one interview session. The first segment appeared in Season 10 (2012), with others released in later seasons. Components: What Does Quantum Theory Mean?; What is Ultimate Reality?; Many Worlds of Quantum Theory; Can Science Provide Ultimate Answers?; Why is the Quantum so Strange?; What is Truth?; Is the Cosmos a Computer?; Which Laws of Nature are Fundamental?; Do General Principles Govern All Science? Exact recording day remains unresolved.

Delivered by video link at TEDxBrussels 2011 (“A Day in the Deep Future”) on 2011-11-22; TEDx Talks published the YouTube recording on 2011-12-06. The Medium transcript was published later, on 2018-01-17.

Source status: archived CBC podcast metadata, recording unavailable

CBC’s The Current podcast feed, in the 12 Nov 2011 Wayback snapshot, lists this item as “14/10/11: Quantum Computing: David Deutsch,” dated Fri, 14 Oct 2011, with itunes:duration 1593 (0:26:33). The original enclosure MP3 is offline (HTTP 404) and has no Wayback capture.

A 48:29 audio copy is preserved in the Internet Archive’s What Now Interviews 2011 collection. The transcript dates the interview to October 6; the archived MP3 filename says October 25. The existing October 6 date is retained; the filename discrepancy remains unresolved.

The official Beginning of Infinity podcast index links the complete audio and Brett Hall’s preserved transcript. Sci-Fi London’s surviving Another Earth page points to the same Deutsch interview about parallel universes, matching the preserved transcript’s opening discussion of Fringe and Another Earth. An additional verified YouTube mirror is https://www.youtube.com/watch?v=VYIy4je91Ng.

Official KERA page and direct audio recovered; the Google Groups thread preserves the transcript. The direct MP3 is the 50:50 audio linked from the KERA episode page; the earlier rawvoice MP3 URL no longer resolves (checked 2026-10-27).

Elliot Temple’s 2011-04-10 post “David Deutsch Began Using Youtube” links this exact video. The current YouTube uploader/channel metadata could not be independently recovered, so the date is treated as the first documented public date rather than a confirmed upload timestamp.

Also circulated as “How To Think About The Future.” The Oxford Transhumanists event date of 2011-03-10 is supported by a contemporaneous schedule reference; 2011-04-11 remains the earliest public reference currently recorded, not a confirmed Vimeo upload date. Format: structured lecture followed by audience Q&A. Vimeo and the full YouTube mirror are confirmed copies. A contemporaneous audio link in the former Oxford Transhumanists Groupspaces archive is no longer readily accessible.

Official TED Blog item page dated 2009-12-08 confirms this distinct post-talk Q&A with Chris Anderson. The page preserves the item and its original embedded-player context, though the legacy video embed may no longer play.

Indiana University’s records identify Deutsch’s remote keynote on 2008-11-01. In August 2026, after an archival inquiry prompted by this compendium, Indiana University staff located the surviving legacy RealMedia recording in the web archive, converted and restored it through IU MediaSpace, and made a fresh public YouTube copy available. The recovered video runs 55:10. The preserved transcript remains available from IU and was later published as Deutsch’s chapter 28, pp. 551–566, in A Computable Universe (2012). QSEc history independently documents the event.

A contemporary May 2008 Fight Aging newsletter links a Thoughtware.TV item titled “David Deutsch Speaks With Aubrey de Grey,” dated 2008-05-09. Current YouTube copies preserve the conversation; the exact recording day and original Thoughtware page availability remain unresolved.

Oxford’s Everett@50 schedule places Deutsch’s “Apart from universes” in the Friday 2007-07-20 3:00–4:30 session. Vimeo 5490979 is the video embedded by the official Beginning of Infinity index. The 2010 OUP chapter of the same title is a separate written artifact in Academic papers.

Recorded by video link for the Irish Museum of Modern Art on 2007-01-27; YouTube publication date recovered as 2013-01-13.

Technical six-lecture course: The Qubit; Interference; Measurement; The Schrödinger Picture; A Quantum Algorithm; Grover’s Search Algorithm. The public 2020 transcript is hosted by Indiana University and credits Ben Webb and Adrian German as its preparers; the existing GitHub resource is a backup mirror of that same loqcdd.pdf plus recovered worked examples. In 2026 correspondence, Indiana University staff confirmed that the transcript covers the Quiprocone videos represented by this DD-003 playlist and that permission to make it available had been received from David Deutsch in 2020. This is stronger provenance for an already-cataloged transcript, not a separate appearance.

Part 3 of Channel 4’s Reality on the Rocks. The episode aired 1995-02-26 and includes David Deutsch among the physicists interviewed. The surviving YouTube copy is unofficial; original Channel 4 media has not been recovered.

Independent academic sources identify this as a 1995 Noorderlicht interview/documentary. Exact broadcast date remains unresolved.

Original BBC page not recovered.