Piergiorgio Odifreddi
Born (1950-07-13) 13 July 1950
Cuneo
NationalityItalian
OccupationMathematician

Piergiorgio Odifreddi (born 13 July 1950, in Cuneo) is an Italian mathematician, logician, student of the history of science, and popular science writer and essayist, especially on philosophical atheism as a member of the Italian Union of Rationalist Atheists and Agnostics. He is philosophically and politically near to Bertrand Russell and Noam Chomsky.

Early life and education

Born in Cuneo in the Piedmont region, he received his Laurea cum laude in mathematics in Turin in 1973. He then specialized in the United States at the University of Illinois at Urbana–Champaign and UCLA from 1978 and 1980, and in the Soviet Union at Novosibirsk State University in 1982 and 1983.

Teaching career

From 1983 to 2007, he taught logic at the University of Turin, and from 1985 to 2003 he was visiting professor at Cornell University, where he collaborated with Anil Nerode, Richard Platek, and Richard Shore. From 2001 to 2003 he taught at Università Vita-Salute San Raffaele, which was founded by Luigi Maria Verzé.[1]

He has been visiting professor at Monash University in Melbourne in 1988, the Chinese Academy of Sciences in Beijing in 1992 and 1995, Nanjing University in 1998, Buenos Aires University in 2001 and the Italian Academy at Columbia University in 2006.[2]

His main field of research was computability theory, a branch of mathematical logic that studies the class of functions that can be calculated automatically. In this field he has published about thirty articles, and the two-volume book Classical Recursion Theory (North Holland Elsevier, 1989 and 1999), which has become a seminal text on the subject.[3]

Writing

He has written editorials and books reviews for La rivista dei libri (the Italian edition of the New York Review of Books), is a regular contributor to Le Scienze (the Italian edition of Scientific American), and has also written for several newspapers such as La Repubblica, La Stampa and the weekly L'Espresso. The television stations Radio Tre, RAI Due and RAI Tre have hosted many of his discussions on various scientific topics.

He has written many popular books about logic,[4] mathematics, geometry[5] and other scientific topics, usually ranging on a wide variety of topics, including philosophy and literature.

He has also written several books on politics [6] and against Christianity.[7][8]

Political views

Odifreddi was heavily influenced by Bertrand Russell and Noam Chomsky.[9] He repeatedly manifested his opposition to US policies, in particular against that of George W. Bush and Israel, as indicated in his writings Non siamo tutti americani,[10] La dannata Terra Santa[11] and the controversial Intervista a Hitler,[12] in his book Il matematico impertinente.

His views on Israel "immodestly inspired" by José Saramago and Noam Chomsky caused protests, which led to the deletion of an editorial he wrote in his blog at la Repubblica on November 2012,[13] where he talked about the Israeli incursion in the Gaza Strip. In protest of the censorship, he decided to close his blog with a bitter post,[14][15] eventually re-opening it years later.

Controversies

Comments on women's IQ

In 2014, a few days after Maryam Mirzakhani became the first female winner of the Fields Medal, Odifreddi suggested in an article for La Repubblica that biological factors were the reason why so few women had previously achieved great mathematical feats, acknowledging but ultimately dismissing the social and institutional barriers that prevent women from advancing in the discipline. In the article, Odifreddi favourably cited biologically determinist ideas by James Watson that women have a higher average IQ but lower variance of IQ compared to men, and that this was the reason why women were underrepresented at the top levels of mathematics and chess.[16] This suggestion was criticised by Italian mathematicians in the days after, who pointed to the large number of women who could have won the prize that year, a situation that would not have occurred if women were less capable of prizeworthy mathematics.[17]

Comments on women's talent for science

In a 2016 La Repubblica article, Odifreddi stated that female aptitude in scientific disciplines is directly proportional to the concreteness of the subject, citing the number of women who had won top prizes in various academic disciplines as evidence.[18][19] The statement was criticised by the Equal Opportunities working group of the Italian Mathematical Union (Italian: Unione Matematica Italiana, UMI), who published a response signed by several prominent mathematicians, including Adriana Garroni, Susanna Terracini and UMI President Ciro Ciliberto.[19] Two days later, MaddMaths published a response from Odifreddi in which he expanded on and reaffirmed his remark, asserting that they had misunderstood his point (that women are less capable in abstract disciplines, not that they have no ability for abstraction at all). The letter was addressed to "Ciro et. al.", moving the only male signatory to the principal position and addressing only him by name, while the original letter listed the signatories in alphabetical order as is conventional in mathematical publishing.[20]

The article in MaddMaths included a comment by the UMI working group which responded to Odifreddi's response. In it, they stated that, Odifreddi having now laid out his arguments in full, readers would be able to judge the merits of each side, and pointed out that nothing of what Odifreddi had written contradicted or denied the idea that he was prejudiced against women. They also criticised Odifreddi's condescending tone in the response, which included sentences such as "... the inability you collectively and individually demonstrate to understand what I have written" (Italian: l’incapacità che collettivamente e individualmente dimostrate di capire ciò che ho scritto) and "A little logic should instead have made you deduce what was evident" (Italian: "Un po’ di logica avrebbe dovuto far invece dedurre a voi ciò che era evidente").[21]

Radio and television

Odifreddi had over 400 TV appearances in Italy, the most notable being:

  • 2002 – Chi ha ucciso Fermat?, directed by Vittorio Attamante – 20 episodes on Radio2 for Alle otto della sera.[22]
  • 2004 – Vite da logico, directed by Vittorio Attamante – 20 episodes on Radio2 for Alle otto della sera.[23]
  • 2008 – In Cammino verso Santiago de Compostela, with Sergio Valzania and Franco Cardini – 33 episodes on Radio3 for Il Cammino.[24]
  • 2009 – A tutto Darwin – 5 episodes on Radio3 for Radio3 scienza, with interviews to Dario Fo.[25]
  • 2009 – Buon compleanno, Darwin!, directed by Caterina Olivetti – 20 episodes on Radio2 for Alle otto della sera.[26]
  • 2009 – A tutto Galileo – 5 episodes on Radio3 for Radio3 scienza, with interviews to Roberto Benigni[27] and Riccardo Giacconi.[28]

Other activities

Piergiorgio Odifreddi participated in the Stock Exchange of Visions project in 2007.

Honors

Works

Academic writings

  • Classical recursion Theory, North Holland – Elsevier, 1988, ISBN 9780080886596; 2nd edn. 1992, ISBN 0-444-89483-7[29]
  • Classical recursion Theory. Volume II, North Holland – Elsevier, 1999
  • Il Vangelo secondo la Scienza, Einaudi, 1999, ISBN 88-06-14930-X (The Gospel According to Science)
  • La matematica del Novecento, prefazione di Gian-Carlo Rota, Einaudi, 2000, ISBN 88-06-15153-3 (The Mathematics of the 20th Century)
  • Il computer di Dio, Cortina, 2000, ISBN 88-7078-663-3 (God's Computer)
  • C'era una volta un paradosso, Einaudi, 2001, ISBN 88-06-15090-1 (Once upon a time there was a paradox)
  • La repubblica dei numeri, Cortina, 2002, ISBN 88-7078-776-1 (The Republic of Numbers)
  • Zichicche, Dedalo, 2003, ISBN 88-220-6260-4
  • Il diavolo in cattedra. La logica matematica da Aristotele a Kurt Gödel, Einaudi, 2003, ISBN 88-06-16721-9 (The Devil in the Professor's Chair: Mathematical Logic from Aristotle to Kurt Goedel)
  • Divertimento geometrico – Da Euclide ad David Hilbert, Bollati Boringhieri, 2003, ISBN 88-339-5714-4 (Geometric Diversions – From Euclid to Hilbert)
  • Le menzogne di Ulisse. L'avventura della logica da Parmenide ad Amartya Sen, Longanesi, 2004, ISBN 88-304-2044-1 (Ulysses' Lies. The Adventure of Logic from Parmenides to Amartya Sen)
  • Il matematico impertinente, Longanesi, 2005, ISBN 88-304-2222-3 (The Impertinent Mathematician)
  • Penna, pennello, bacchetta: le tre invidie del matematico, Laterza, 2005, ISBN 88-420-7643-0 (Pen, brush, baton: the three envies of the mathematician)
  • Idee per diventare matematico, Zanichelli, 2005, ISBN 88-08-07063-8 (Ideas for becoming a mathematician)
  • Incontri con menti straordinarie, Longanesi, 2006, ISBN 88-304-2346-7 (Meetings with extraordinary minds)
  • Che cos'è la logica?, Luca Sossella (ed.), 2006, ISBN 88-89829-19-2 (What is logic?)
  • La scienza espresso: Note brevi, semibrevi e minime per una biblioteca scientifica universale, Einaudi, 2006, ISBN 978-88-06-18258-8 (Science express)
  • Perché non-possiamo essere cristiani (e meno che mai cattolici), Longanesi, 2007, ISBN 978-88-304-2427-2 (Why we cannot be Christians (much less Catholics))
  • In principio era Darwin. La vita, il pensiero, il dibattito sull'evoluzionismo, Milano, Longanesi, 2009, ISBN 978-88-304-2683-2 (In principle it was Darwin. Life, thought and the debate about evolutionism)
  • Hai vinto, Galileo! La vita, il pensiero, il dibattito su scienza e fede, Milano, Mondadori, 2009, ISBN 978-88-04-59434-5 (You won, Galileo! Life, thought and the debate on science and faith)
  • C'è spazio per tutti. Il grande racconto della geometria, Milano, Mondadori, 2010. ISBN 978-88-04-60331-3 (There's space for everyone. The grand tale of geometry)

References

  1. ↑ Interview with Piergiorgio Odifreddi on Wikinews
  2. ↑ Il Non-Senso della vita – Blog di Piergiorgio Odifreddi
  3. ↑ The number of citations in the first volume in scientific articles, according to CiteSeerX estimates, exceeds 200, while[https://scholar.google.fr/scholar?cites=151900171738493333341671 Google Scholar estimates) exceeds 1,200. The two works are also listed in[http://plato.stanford.edu/entries/recursive-functions/#Bib bibliographic notes of the entry Recursive Functions of the "Stanford Encyclopedia of Philosophy".
  4. ↑ Piergiorgio Odifreddi. Il diavolo in cattedra. La logica matematica da Aristotele a Kurt Gödel.
  5. ↑ Piergiorgio Odifreddi. Divertimento geometrico – Da Euclide ad David Hilbert.
  6. ↑ Piergiorgio Odifreddi. La democrazia non esiste. Critica matematica della ragione politica.
  7. ↑ Piergiorgio Odifreddi. Perché non possiamo essere cristiani (e meno che mai cattolici).
  8. ↑ Piergiorgio Odifreddi. Caro Papa, ti scrivo. Un matematico ateo a confronto con il papa teologo.
  9. ↑ Odifreddi interviews Noam Chomsky
  10. ↑ No al terrorismo. Ma quale?
  11. ↑ La dannata Terra Santa
  12. ↑ Interview with Adolf Hitler
  13. ↑ «Dieci volte peggio dei nazisti» — The censored articled on Repubblica Archived 2014-02-19 at the Wayback Machine
  14. ↑ 809 giorni di libertà – Il non-senso della vita 2.0 – Blog – Repubblica.it
  15. ↑ Repubblica cancella il post di Odifreddi su Israele. Lui lascia: “Meglio fermarsi”. Il Fatto Quotidiano, Novembre 20, 2012.
  16. ↑ Odifreddi, Piergiorgio (14 August 2014). "Da Ipazia a Mirzakhani". La Repubblica (in Italian). Archived from the original on 17 August 2014. Retrieved 25 January 2023.
  17. ↑ Natalini, Roberto; Pisani, Stefano (14 August 2014). "Matematica eccellenza (Il Sole 24 Ore, 17 agosto 2014)" [Mathematical excellence]. Il Sole 24 Ore (published 28 September 2014). Archived from the original on 4 October 2022. Retrieved 26 January 2023 – via MaddMaths. The English translation available on the page is missing the sentence which mentions Odifreddi by name: "Per esempio, una teoria del premio Nobel James Watson, richiamata proprio pochi giorni fa da Piergiorgio Odifreddi in un articolo su «La Repubblica», vorrebbe il cervello femminile con un Qi superiore a quello maschile ma privo di “punte” di genialità come quello dell’uomo".
  18. ↑ Odifreddi, Piergiorgio (16 October 2016). ""Il talento delle donne per la scienza"" [The talent of women for science] (PDF) (in Italian). La Repubblica. Archived from the original (PDF) on 8 August 2020. Retrieved 25 January 2023.
  19. 1 2 Natalini, Roberto (19 October 2016). "Odifreddi e il talento delle donne" [Odifreddi and the talent of women]. MaddMaths. Gruppo di lavoro Pari Opportunità dell’Unione Matematica Italiana. Archived from the original on 1 December 2022. Retrieved 25 January 2023.
  20. ↑ associazione donne e scienza (24 October 2016). "È il pregiudizio a tenere lontane le donne dalle scienze astratte". Galileo (in Italian). Retrieved 26 January 2023.
  21. ↑ Natalini, Roberto (21 October 2016). "Odifreddi risponde" [Odifreddi replies]. MaddMaths (in Italian and English). Retrieved 26 January 2023.
  22. ↑ Radio Due Archived 2007-05-04 at the Wayback Machine
  23. ↑ Radio Due Archived 2007-05-04 at the Wayback Machine
  24. ↑ Radio 3 – Il cammino Archived 2009-11-27 at the Wayback Machine
  25. ↑ Radio 3 Archived 2011-07-14 at the Wayback Machine
  26. ↑ Radio 2 Archived 2009-06-20 at the Wayback Machine
  27. ↑ Radio 3 Archived 2011-07-14 at the Wayback Machine
  28. ↑ Radio 3 Archived 2009-12-01 at the Wayback Machine
  29. ↑ Shoenfield, J. R. (1993). "Review: Classical recursion theory by P. Odifreddi" (PDF). Bull. Amer. Math. Soc. (N.S.). 28 (1): 182–183. doi:10.1090/s0273-0979-1993-00346-x.
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