Robert Todd Carroll

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Robert Todd Carroll
Bob Carroll.jpg
Carroll at SkeptiCalcon 2011 in Berkeley, CA
Born Robert Todd Carroll
(1945-05-18)May 18, 1945
Joliet, Illinois, U.S.
Died August 25, 2016(2016-08-25) (aged 71)
Davis, California, U.S.
Nationality American
Education University of California, San Diego
Occupation Author, professor

Robert Todd Carroll (May 18, 1945 – August 25, 2016) was an American writer and academic. Carroll is best known for his contributions in the field of skepticism; he achieved notability by publishing The Skeptic's Dictionary online in 1994. He was elected a fellow of the Committee for Skeptical Inquiry in 2010.[1][2] He described himself as a naturalist, an atheist, a materialist, a metaphysical libertarian, and a positivist.[3]

His published books include Becoming a Critical Thinker;[4] The Skeptic's Dictionary;[5] The Skeptic's Dictionary for Kids;[6] The Critical Thinker's Dictionary;[7] Unnatural Acts: Critical Thinking, Skepticism, and Science Exposed!;[8] The Commonsense Philosophy of Religion of Edward Stillingfleet; Student Success Guide: Writing Skills and Student Success Guide: Reading Skills.[9]

He was a professor of philosophy at Sacramento City College from 1977 until his retirement in 2007.[1]

Early life

Carroll was born in Joliet, Illinois on May 18, 1945.[10] His father worked in a coal processing plant. The family moved to San Diego in 1954 where Carroll grew up. He describes his early years in Ocean Beach as an ideal childhood. He was raised Catholic.[11]

Carroll went to the University of San Diego High School, the same school that Phil Mickelson and Scott Peterson attended. After that, he received a Catholic education in the University of Notre Dame. He went into seminary in Notre Dame, he eventually left after a short time in 1965 and went back to San Diego. Carroll earned his Ph.D. in philosophy in 1974 at the University of California, San Diego, writing his doctoral thesis under the direction of Richard H. Popkin on the religious philosophy of Edward Stillingfleet[12] who defended the Anglican church passionately against catholic, deist and atheist offenders before becoming Bishop of Worcester.[13] It was published in 1975.[11][14] By then Carroll was married with two daughters. The new family moved to Susanville, California where he started teaching philosophy at Lassen Community College. After that he moved to the Sacramento area, he has been living in Davis since 1977.[11]

Carroll says that he never went through a religion deconversion moment; instead he had a long journey that led him to disbelief. He first started having strong doubts about Catholicism when he went into Seminary in Notre Dame. He became intrigued by eastern religions after leaving the Seminary. Inspired by Alan Watts, he started looking at eastern religions' holy books. Carroll became interested in Paramahansa Yogananda and attended his Self-Realization Fellowship group to do yoga and chanting, he identified as agnostic at the time. After leaving the fellowship, he spent many years thinking in depth about his religion, he said "The more I thought about religious ideas, the more false and absurd they seem to me." Carroll became enchanted by the ideas of Kierkegaard, namely the idea that religious beliefs require a leap of faith because they cannot be rationally proven. Instead, Carroll decided to take a leap in the other direction: he said that he "found many reasons for disbelief and absolutely no reasons for belief", and that his former religious beliefs lost their attractiveness.[11]



Carroll's teaching career started with a part-time position teaching philosophy at Lassen Community College. He taught philosophy of religion at American River College for two years before going full-time in Sacramento City College where he taught introductory philosophy classes, logic and critical reasoning, law justice and punishment and critical thinking about the paranormal for three decades (1977–2007) as well as serving several years as chairman.[1][15][16][17]


Carroll is the author of Becoming a Critical Thinker, a textbook for introductory logic and critical thinking courses. It covers subjects such as language and critical thinking, the mass media and other sources of information, fallacies of reasoning, and inductive and deductive arguments.[18] The book is subtitled A Guide for the New Millennium. Pearson Educational published the first edition in 2000 and the second edition was published in 2005.[1] Becoming a Critical Thinker was born out of Carroll's classwork during his time in Sacramento City College.[11]

The Skeptic's Dictionary is the print version of the website and is available in Dutch, English, Japanese, Korean, and Russian.[19] It provides definitions, arguments, and essays on supernatural, occult, paranormal, and pseudo-scientific subjects.[20] The book features many examples of pseudoscientific beliefs over its eight chapters. In the last chapter, Carroll provides ways to improve critical thinking and skepticism.[21] Similar to the website, it takes a skeptical stance, typically assuming that something is false until proven otherwise.[22][23] The book came about when Ted Weinstein, a literary agent, contacted Carroll about creating the book. The book was eventually published by John Wiley & Son in August 2003 as an inexpensive paperback.[18] The book is intended to be biased towards the skeptical side;[19] it is not targeted towards true believers.[24]

Carroll also wrote a children's version of the Skeptic's dictionary which was released online on July 22, 2011. In 2013, it was published as a children's book under the title Mysteries and Science: Exploring Aliens, Ghosts, Monsters, the End of the World and Other Weird Things. He also wrote Unnatural Acts: Critical Thinking, Skepticism, and Science Exposed! which was initially published by the James Randi Educational Foundation as an e-book in 2011. A paperback version is available from Lulu.[1] The Critical Thinker's Dictionary was published in 2013. It features short articles about cognitive biases and logical fallacies.[25]


A long-time advocate of scientific skepticism and critical thinking, Carroll says that he has been investigating controversial beliefs since he was seven years old when he had doubts about Santa Claus.[3] Carroll described the importance of critical thinking and open-mindedness in the following quotation:

"If you are willing to be open minded, accept that reasonable probabilities rather than absolute certainties are the best information in many things that matter. And hold your most precious beliefs tentatively, then you can overcome some of the hindrances to critical thinking at least some of the time. And also that one's world view can be a major hindrance to being fair minded. The minimum requirement of fair mindedness is a willingness to take seriously viewpoints opposed to your own. In other words, you have to be willing to admit that you are wrong. Or that you might be wrong"

— Robert Todd Carroll, Bob Carroll interview with Consider This [26]

Carroll's background in philosophy means that he was well versed in philosophical skepticism, his area of specialization is 17th century British philosophy, namely epistemology and philosophy of religion. Carroll's skeptical career started with his teaching career. However, he did not start writing skeptical content until 1992 when both Carroll's best friend and his father-in-law died within the same week. These circumstances profoundly affected Carroll and made him realize his own mortality providing the catalyst that started his skeptical writing.[27] In an interview with Beyond a Doubt's Blair Anthony Robertson, Carroll described the influence of this incident: "It was like the deaths of these two people had forced me to start looking at everything and not take anything for granted. All these times I had said that someday I am going to do this or go there, I decided to just do it."[28]

In 1994, Carroll and his wife attended free training organized by Davis Community Network in which they learned about the Internet and e-mail as well as HTML code.[29][30] Shortly after, Carroll started the Skeptic's Dictionary website with just ten articles that he had written for his students about logic and pseudoscience.[11][15] The website is considered among the first to use hypertext.[3][28] The potential for including links to external materials was part of the appeal of publishing on the internet for Carroll. As of April 2016, the website has more than 5,500 files and 85,000+ hyperlinks.[24] The website has been a one-man project since its inception. Although it never had a staff behind it, several translators volunteered to translate it into more than a dozen languages and several volunteer editors have provided assistance.[18][31] In Carroll's mind, The Skeptic's Dictionary isn't an encyclopedia.[15] He saw it as a source of skeptical arguments intended for skeptics to counterbalance the arguments on the other side rather than being targeted towards true believers.[20] As of April 2016, The site has grown to 784 articles that include definitions, arguments, and essays on subjects supernatural, occult, paranormal, and pseudoscientific.[20][24] As of April 2016, It attracts more than a four hundred thousand visitors per month.[32] The Skeptics’ Dictionary was inspired by Pierre Bayle's Historical and Critical Dictionary in both its name[15] and its biased stance. Carroll was most intrigued by the Baruch Spinoza entry in Bayle's dictionary, he described its influence in an interview with Point of Inquiry's Karen Stollznow:

"Bayles's dictionary was definitely biased in the sense that he would do a biography or entry on like say atheism, and his entry on atheism would be an essay and the essay would question common beliefs about atheism mainly being that atheists are immoral libertines and so on, and so his essay on atheism held Spinoza as the model atheist"

— Robert Todd Carroll, Point of Inquiry, Bob Carroll – Defining Skepticism[17]

Carroll created skeptical blogs such as Mass Media Bunk and Mass Media Funk (they were replaced by Skeptimedia in 2007). He also maintained Skeptimedia and Suburban Myths blogs in addition to

On March 27, 2012, Carroll began a regular segment on the podcast Skepticality entitled Unnatural Virtue in which he comments on topics in critical thinking and skepticism.[33][34] the segment ran until April 29, 2014 for thirty one episodes.

Carroll spoke in several skeptical conferences. In 2003, he was invited to give a talk at the first Amaz!ng Meeting, in the same year he gave a speech at the Committee for the Scientific Investigation of Claims of the Paranormal conference on frauds and hoaxes. In 2004, he gave a speech to the Irish Skeptics in Dublin on scientific proof for the paranormal.[1] In 2007, he conducted a critical thinking workshop at the 5th Amazing Meeting On May 29, 2011, Carroll led a discussion concerning the "Five Myths About Skeptics" at the 2nd annual SkeptiCalCon event held in Berkeley, CA.[35]

Carroll's views have attracted numerous interviews for him from mainstream media and local newspapers, such as the Davis Enterprise[36] and he has been quoted in the New York Times.[37] In addition, he has been interviewed by representatives of groups promoting scientific skepticism, such as the New England Skeptical Society[38] and Media Man Australia.[39] In January 2010 Carroll was elected as a Fellow of the Committee for Skeptical Inquiry.[16]

In an interview with Point of Inquiry's Karen Stollznow, Carroll hinted that he did not earn a substantial amount of money from his skeptical work: "If we talk about the money we make from skepticism we might set a record for the shortest interview ever." However, he insists that everybody should be a skeptic because it's a healthy way of approaching life. Social skeptics' meetups and conferences, as well as the positive feedback he receives on his work are his main motivations.[17]

In May 2016 Carroll announced that he would no longer be able to write the Skeptic's Dictionary monthly newsletter on account of his illness.[40]


Jon Barron

After Carroll wrote a entry about Jon Barron criticizing his "Barron Effect",α Barron replied with a piece on his website titled "Rebutting a Skeptic" in which he replied to Carroll's entries concerning alternative medicine such as "Cellular energy's relation to cancer"; "Mercury, thimerosal, vaccines, and chelation"; "The need for supplements" and "Fecal matter in the colon". In the piece he accused Carroll of deliberately misinterpreting evidence as well as taking issue with a distorted personal picture that Carroll had posted on[41]

Richard Milton

After Carroll published a piece online labelling Richard Milton's writings on alternative science as "Internet Bunk", Milton responded by accusing Carroll of being a "pseudo-skeptic", and claimed to show that Carroll had fabricated quotations and misrepresented his arguments.[42] Carroll countered these accusations in an addendum to his piece.[43]

Rupert Sheldrake

Carroll wrote two Skeptic's Dictionary entries that criticize Rupert Sheldrake's ideas. The first criticizes Sheldrake's N'kisi Project which is a set of experiments that claim to have proven the existence of a telepathic link between N'kisi (a grey parrot) and its owner Aimee Morgana. Carroll criticized Sheldrake for omitting 60% of the data he collected when calculating the statistical significance of the parrot's responses.[44][45][46] Carroll also wrote an entry in his Mass Media Bunk blog criticizing Jane Goodall for her involvement in the N'kisi Project.[47] The Second entry challenges Sheldrake's morphic resonance idea in which Sheldrake proposes that each species has a "morphogenetic field" that evolves similarly to how the species' genes might evolve. He then proposes that these fields organize the nervous system's activity and can act as a collective memory for the whole species, and that these fields get passed down into the species by a kind resonance called morphic resonance.[46][48][49]

Sheldrake replied to Carroll's criticism by writing an article on his website defending his own arguments and accusing Carroll of committing several logical fallacies, misusing his scientific knowledge, misinterpreting and manipulating data as well as being prejudiced. He also criticized The Skeptics Dictionary claiming that it would not survive had it been subject to independent peer reviews.[46]

Views on religion

Carroll did not believe in an omnipotent, omniscient, omnipresent god.[39] However, in his essay "Why I am not an atheist", Carroll described his dislike of the term "atheist" because he feels that the term is being exploited by theists and used as a straw man argument. He felt that the term implies a dogmatic set of beliefs and carries its own share of negative baggage. So, Carroll suggested that atheists might as well adopt the term "Brights" with all its negative connotations.[50]

The only religion that Carroll found attractive after abandoning Catholicism, despite never following it, was Buddhism as taught by the Dalai Lama.[11]

Carroll has always maintained the opinion that people have to be more skeptical of religion than they are now.[3] He said in multiple interviews that religion is an area that skeptics don't target enough,[3][27][51] and that pure faith is winning the race against critical thinking.[18]

Carroll tended to have a moderate outlook on religion. He believed that religion has a role to play in people's lives and he didn't condemn religion for terrorism. When asked about the relationship between violence and religion he said that he can't recall anything negative about his religious upbringing, and that maybe Catholicism can provide more good than harm. He didn't believe religion causes wars, he rather believed that it serves as an excuse for people who will go to war regardless of religion's existence.[11] Carroll believed that some people rely on religion as their only source of morality and as a source of comfort.[27] However, he found it distressing that some people are unable to find meaning in their lives without religion.[3] In an interview with Beyond a Doubt he said

"There is nothing dull about a life without fairies, Easter bunnies, devils, ghosts, magic crystals, etc. Life is only boring to boring people."

— Robert Todd Carroll, [28][52]

Personal life

In May 2014, Carroll was diagnosed with stage IV pancreatic neuroendocrine cancer and liver metastasis.[1][53]

On August 25, 2016, Carroll died in a local hospital in Davis, California two years after being diagnosed with pancreatic neuroendocrine cancer.[10]


See also


An alternative medicine remedy Jon Barron claimed "makes herbal tinctures 100-200% stronger than previous extraction techniques."[54] To date, Barron has not disclosed the secret method he uses to produce these tinctures.


  1. ^ a b c d e f g Carroll, Robert. "Biographical Information Robert T. Carroll, Ph.D." 
  2. ^ "CSI Fellows and Staff". 
  3. ^ a b c d e f Baggini, Julian. "philosopher's web interview". 
  4. ^ Carroll, Robert. "Becoming a Critical Thinker". 
  5. ^ Carroll, Robert. "the Skeptic's Dictionary". 
  6. ^ Carroll, Robert. "Skeptic's Dictionary for Kids". 
  7. ^ Carroll, Robert. "The Critical Thinker's Dictionary". 
  8. ^ Carroll, Robert. "Unnatural Acts". 
  9. ^ "Books by Robert Todd Carroll – The Skeptic's Dictionary". Retrieved 2016-04-29. 
  10. ^ a b "Robert Todd Carroll (1945 - 2016) Obituary". 
  11. ^ a b c d e f g h Sherwin, Elisabeth. "KDVS, Printed matter on the air, Interview with Bob Carroll". 
  12. ^ Carroll, Robert. The Common-Sense Philosophy of Religion of Bishop Edward Stillingfleet 1635–1699. doi:10.1007/978-94-010-1598-1. [permanent dead link]
  13. ^ Jean-Michel, Vienne. "Robert Todd Carroll, The Common Sense Philosophy of Religion of Bishop Edward Stillingfleet, 1635–1699". XVII-XVIII. Bulletin de la société d'études anglo-américaines des XVIIe et XVIIIe siècles. 5 (1). 
  14. ^ Robert Todd Carroll, The common-sense philosophy of religion of bishop Edward Stillingfleet 1635–1699, Nijhoff, 1975
  15. ^ a b c d Colanduno, Derek; McCarthy, Robynn (August 22, 2005). "Interview: w/Bob Carroll of Skepdic". 
  16. ^ a b "Sixteen Notable Figures in Science and Skepticism Elected CSI Fellows". Retrieved 2011-08-07. 
  17. ^ a b c Stollznow, Karen (April 16, 2010). "Bob Carroll – Defining Skepticism". 
  18. ^ a b c d Nox, Nemo. "[ burburinho – conversa com bob carroll ]". 
  19. ^ a b Casimir, Jon. "Sydney interview - the Skeptic's Dictionary -". Sydney Herald. 
  20. ^ a b c "Introduction - the Skeptic's Dictionary -". 
  21. ^ Hall, Harriet. "Thinking: An Unnatural Act – CSI". 
  22. ^ "Popular Science Review – The Skeptic's Dictionary". 
  23. ^ "Non-fiction: Oct 18". the Guardian. 2003-10-18. Retrieved 2016-05-05. 
  24. ^ a b c Preface, Skeptic's Dictionary.
  25. ^ Hall, Harriet. "How to Think « Science-Based Medicine". 
  26. ^ Campbell, Stuart. "Interview with consider this". 
  27. ^ a b c Cadena, Richard. "interview with the Skeptic magazine by Richard Cadena". 
  28. ^ a b c Robertson, Blair. "Blair Anthony Robertson interviews Bob Carroll about the Skeptic's Dictionary". Sacramento Bee. 
  29. ^ "About The Skeptic's Dictionary -". 
  30. ^ Sturgess, Kylie. "Episode Seventy-Seven – On The Skeptic's Dictionary For Kids – Interview With Robert Todd Carroll". Token Skeptic. 
  31. ^ "Acknowledgements - The Skeptic's Dictionary -". Retrieved 2016-04-29. 
  32. ^ " Traffic Statistics". SimilarWeb. 
  33. ^ Colanduno, Derek. "Episode 179". Skeptic Magazine. Retrieved 2012-04-25. 
  34. ^ "Unnatural Virtue – podcast episodes on Skepticality – the Skeptic's Dictionary". 
  35. ^ "SkeptiCalCon 2011". 2011. Retrieved 2011-06-02. 
  36. ^ Elizabeth Sherwin, "Author attempts to debunk angels, other 'strange beliefs'", Davis Enterprise, 29 Dec 2003.
  37. ^ Jr, Tom Zeller (2005-06-06). "You've Been Scammed Again? Maybe the Problem Isn't Your Computer". The New York Times. ISSN 0362-4331. Retrieved 2016-05-05. 
  38. ^ Perry DeAngelis, "Interview with Robert Todd Carroll", New England Skeptical Society Journal.
  39. ^ a b Tingle, Greg (21 Apr 2003). "Media Man Australia – The Online Home of Greg Tingle – Journalist and TV Presenter". 
  40. ^ Hill, Sharon (22 May 2016). "End of an era: the last Skeptic's Dictionary newsletter". Doubtful ~ Sharon Hill. 
  41. ^ Barron, Jon. "Rebutting a Skeptic". 
  42. ^ Richard Milton. "the Skeptic's Dictionary". Archived from the original on 2012-09-02. Retrieved 2013-07-01. 
  43. ^ Robert Todd Carroll. "Internet Bunk". Archived from the original on 2013-07-06. Retrieved 2013-07-01. 
  44. ^ Sheldrake, Rupert. "The Nkisi Project". 
  45. ^ Carroll, Robert. "N'kisi & the N'kisi Project - the Skeptic's Dictionary -". 
  46. ^ a b c Sheldrake, Rupert. "Rupert replies to Robert Todd Carroll". 
  47. ^ Carroll, Robert. "mass media bunk 33: Jane goodall and Talking to the Animals". 
  48. ^ "morphic resonance - the Skeptic's Dictionary -". 
  49. ^ Sheldrake, Rupert. "Morphic Resonance and Mophic Fields an Introduction". 
  50. ^ Carroll, Robert. "Why I am not an atheist by Robert T. Carroll - The Skeptic's Dictionary -". 
  51. ^ "Dublin Interview with Bob Carroll". 
  52. ^ Carroll, Robert. "FAQ & Interviews - The Skeptic's Dictionary -". 
  53. ^ "The Skeptic's Dictionary Newsletter-". 
  54. ^ "Jon Barron and the Barron effect - The Skeptic's Dictionary". Retrieved 2018-07-04. 

External links

  • The Skeptic's Dictionary
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