Piergiorgio Odifreddi | |
|---|---|
 | |
| Born | 13 July 1950 |
| Nationality | Italian |
| Occupation | Mathematician |
Piergiorgio Odifreddi (born 13 July 1950, in Cuneo) is an Italian mathematician, logician, scholar 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.
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.
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]
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]
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.
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]
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]
Odifreddi had over 400 TV appearances in Italy, the most notable being:
Piergiorgio Odifreddi participated in the Stock Exchange of Visions project in 2007.
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