# Computer Power and Human Reason *From Judgment to Calculation, by Joseph Weizenbaum (W. H. Freeman, 1976).* > I read Wikipedia's articles on the book, the author and ELIZA, the front matter and contents page of the 1976 Freeman edition (as quoted by a search result of a scan I did not link), the Guardian long read on Weizenbaum, the Internet Archive record of the 1984 Penguin edition, and the vault note for the video. I did not read the book's chapters. The outline below is the verified table of contents plus the author's own preface and two theses as quoted by the Guardian. ## 1. Book facts | | | |---|---| | Title | *Computer Power and Human Reason: From Judgment to Calculation* | | Author | Joseph Weizenbaum | | Publisher | W. H. Freeman and Company, San Francisco / New York, 1976 | | ISBN | 0-7167-0464-1 (cloth), 0-7167-0463-3 (paperback), per the copyright page; ISBN-13 of the cloth edition 978-0-7167-0464-5 (Wikipedia) | | Library of Congress | QA76.W44, 001.6'4, LCCN 75-19305 | | Length | 10 chapters, plus preface and introduction, notes (p. 281) and index (p. 289). The 1984 Penguin edition is xix + 300 pages (Internet Archive record). | | Dedication | "to Ruth" | **Where it came up.** - Video: [Is Anyone Home Inside an AI](https://www.youtube.com/watch?v=4lLz5EROz_8), *Count Grey Matter*. - Mention: [0:00](https://www.youtube.com/watch?v=4lLz5EROz_8&t=0s), cold open on Weizenbaum's ELIZA and his secretary; the note lists the 1976 book and the 1966 CACM paper as sources. - Vault note: [[Video Summaries/Count Grey Matter/Is Anyone Home Inside an AI]]. ## 2. Book resources **Reference pages** - [Wikipedia: Computer Power and Human Reason](https://en.wikipedia.org/wiki/Computer_Power_and_Human_Reason) - [Wikipedia: Joseph Weizenbaum](https://en.wikipedia.org/wiki/Joseph_Weizenbaum), [ELIZA](https://en.wikipedia.org/wiki/ELIZA), [ELIZA effect](https://en.wikipedia.org/wiki/ELIZA_effect) **Where to get it (legal)** - The book is in copyright. **Borrow free:** the Internet Archive has the 1984 Penguin edition as a lendable item, [computerpowerhum0000weiz_v1p2](https://archive.org/details/computerpowerhum0000weiz_v1p2) (its record shows "available to browse / lendable"; free account needed). The 1976 edition item [computerpowerhum0000weiz_v0i3](https://archive.org/details/computerpowerhum0000weiz_v0i3) is print-disabled only. - 1984 Penguin ISBNs from the record: 0140225358 / 9780140225358 and 0140179119 / 9780140179118. - I did not find legitimate free full-text copies elsewhere; unofficial PDF scans exist online, which I have not linked. - Audiobook: none found. ## 3. Author biography Joseph Weizenbaum (8 January 1923 - 5 March 2008) was a German-American computer scientist and MIT professor ([Wikipedia](https://en.wikipedia.org/wiki/Joseph_Weizenbaum)). - Born in Berlin to Jewish parents; left Nazi Germany in January 1936 for the US. Studied mathematics at Wayne State (B.S. 1948, M.S. 1950); served as a meteorologist in the Army Air Corps. - Worked on ERMA at General Electric (magnetic-ink check fonts); joined MIT in 1963 on the strength of his SLIP list-processing software; full professor 1970. - In 1966 published ELIZA, which he wrote in SLIP; its DOCTOR script imitated a Rogerian psychotherapist. He was shocked that many users took it seriously. - The Guardian's Ben Tarnoff reports that the March 1969 MIT research stoppage against the Vietnam War, and MIT's role in weapons research, pushed him toward criticism of the field. He later became one of AI's leading critics and fell out with other AI researchers, a break Wikipedia says he later took pride in. - Moved to Berlin in 1996; buried at the Weißensee Jewish cemetery. The Weizenbaum Institute is named for him. ## 4. Author interviews and talks - Ben Tarnoff, [Weizenbaum's nightmares: how the inventor of the first chatbot turned against AI](https://www.theguardian.com/technology/2023/jul/25/joseph-weizenbaum-inventor-eliza-chatbot-turned-against-artificial-intelligence-ai), *The Guardian*, 25 July 2023: a long read quoting Weizenbaum's later interviews. Not an interview itself. - Documentary films listed by Wikipedia: *Weizenbaum. Rebel at Work.* (2007) and *Plug & Pray* (2010); I did not open either film page. - Wikipedia's external links also list an interview in MIT's *The Tech*, an NYT obituary (13 March 2008), and MIT's Weizenbaum archive. I did not open them. ## 5. Summary **Thesis.** In the preface Weizenbaum says: "This book is only nominally about computers." He states two arguments: "there is a difference between man and machine" and "there are certain tasks which computers ought not be made to do, independent of whether computers can be made to do them." Whether AI is *possible* is irrelevant to whether it *should* be used. Wikipedia: computers should never make important decisions because they "will always lack human qualities such as compassion and wisdom". He distinguishes **deciding**, a computational act that can be programmed, from **choosing**, which is a product of judgment and values (Wikipedia). **Chapter outline** (contents page, 1976 edition, page numbers in the original): - Preface (ix); Introduction (1) 1. **On Tools** (17) 2. **Where the Power of the Computer Comes From** (39) 3. **How Computers Work** (73). Per the preface, chapters I-III explain where a computer's power comes from; chapters II-III make the point that computers are "universal" machines that can, in a certain sense, "do anything". 4. **Science and the Compulsive Programmer** (111). Compares compulsive programmers to compulsive gamblers (as characterised by [cyberartsweb](https://cyberartsweb.org/cpace/science/technophilia/weizenbaum.html), a secondary source). 5. **Theories and Models** (132) 6. **Computer Models in Psychology** (154) 7. **The Computer and Natural Language** (182) 8. **Artificial Intelligence** (202) 9. **Incomprehensible Programs** (228) 10. **Against the Imperialism of Instrumental Reason** (258) - Notes (281); Index (289) I did not read chapters 4-10, so I give titles only. **Key ideas:** deciding versus choosing; the ELIZA effect (people read understanding into simple pattern-matching); the claim that the world has been "made too much into a computer", a remaking that began before electronic computers (preface); ethical limits on what machines should be asked to do. Wikipedia says the book sparked debate and led to a separation from the AI research community. Per the Guardian, the index shows interlocutors from Minsky and McCarthy to Hannah Arendt, Max Horkheimer and Eugène Ionesco. ## 6. Fact-check Overall verdict: **supported**. Anecdotes are standard history; the video's paraphrase of Weizenbaum's warning is a fair summary, not his wording. | Claim (video) | Verdict | Evidence | |---|---|---| | ELIZA was Weizenbaum's 1966 MIT program that played a therapist | Supported | [Wikipedia](https://en.wikipedia.org/wiki/Joseph_Weizenbaum): 1966, DOCTOR script, Rogerian | | It turned your sentences back as questions | Supported (simplified) | Wikipedia: pattern-matching rules; Guardian transcript shows reflection | | His secretary asked him to leave the room to talk to it privately | Supported | Wikipedia, and the Guardian, which says it was in a follow-up article the next year (1967), not the 1966 paper | | She had watched him build it for months | Unverified | Not found in sources I opened (Wikipedia: she "was aware that it was a simulation") | | ELIZA was named after Eliza Doolittle in *Pygmalion* | Supported | Wikipedia; Guardian | | He warned against "seeing a mind where there is none" | Paraphrase | The quoted phrase is not Weizenbaum's wording in anything I read; the substance matches the ELIZA effect and his man/machine distinction | | The book is *Computer Power and Human Reason* (1976) | Supported | Copyright page; Wikipedia | ## 7. Citations and references - Weizenbaum, Joseph. *Computer Power and Human Reason: From Judgment to Calculation*. W. H. Freeman, 1976. ISBN 0-7167-0464-1. Front matter as quoted in a search result; Internet Archive record for the 1984 Penguin edition, [computerpowerhum0000weiz_v1p2](https://archive.org/details/computerpowerhum0000weiz_v1p2). - Weizenbaum, J. "ELIZA - A Computer Program for the Study of Natural Language Communication between Man and Machine," *Communications of the ACM* 9 (1966): 36-45 (as cited by Wikipedia; not opened). - Wikipedia: [the book](https://en.wikipedia.org/wiki/Computer_Power_and_Human_Reason), [Joseph Weizenbaum](https://en.wikipedia.org/wiki/Joseph_Weizenbaum), [ELIZA](https://en.wikipedia.org/wiki/ELIZA). - Tarnoff, Ben. [Weizenbaum's nightmares](https://www.theguardian.com/technology/2023/jul/25/joseph-weizenbaum-inventor-eliza-chatbot-turned-against-artificial-intelligence-ai), *The Guardian*, 2023. - [Cyberartsweb: Computer Love: Joseph Weizenbaum](https://cyberartsweb.org/cpace/science/technophilia/weizenbaum.html). - Video: [Is Anyone Home Inside an AI](https://www.youtube.com/watch?v=4lLz5EROz_8), *Count Grey Matter*.