Shakuntala Devi

Devi was a precocious child, and she demonstrated her arithmetic abilities at the University of Mysore without any formal education. Devi strove to simplify numerical calculations for students. She wrote several books in her later years, including novels as well as texts about mathematics, puzzles, and astrology. She wrote the book The World of Homosexuals (1977), which is considered the first study of homosexuality in India. She saw homosexuality in a positive light and is considered a pioneer in the field.

• Name — Shakuntala Devi • Other Names — Human Computer • Born — 4 November 1929 • Birthplace — Bangalore, Kingdom of Mysore, British India • Children — 1 • Died — 21 April 2013 • Place of death — Bengaluru, Karnataka, India • Occupation — * Author • mental calculator • astrologer

Shakuntala Devi was born on 4 November 1929 at Bangalore, Karnataka. to a Kannada Brahmin family. Her father, C V Sundararaja Rao, worked as a trapeze artist, lion tamer, tightrope walker and magician in a circus. He discovered his daughter's ability to memorise numbers while teaching her a card trick when she was about three years old. Her father left the circus and took her on road shows that displayed her ability at calculation. She did this without any formal education. At the age of six she demonstrated her arithmetic abilities at the University of Mysore. In 1944, at the age of 15, Devi moved to London, United Kingdom.

Devi travelled to several countries around the world, demonstrating her arithmetic talents. She was on a tour of Europe throughout 1950 and was in New York City in 1976. In 1988, she travelled to the US to have her abilities studied by Arthur Jensen, a professor of educational psychology at the University of California, Berkeley. Jensen tested her performance at several tasks, including calculating large numbers. Examples of the problems presented to Devi included calculating the cube root of 61,629,875 and the seventh root of 170,859,375. Jensen reported that Devi provided the solution to the above-mentioned problems (395 and 15, respectively) before Jensen could copy them down in his notebook. Jensen published his findings in the academic journal Intelligence in 1990. In 1977, at Southern Methodist University, she computed the 23rd root of a 201-digit number in 50 seconds. Her answer, 546,372,891, was confirmed by calculations done at the US Bureau of Standards using the UNIVAC 1101 computer, for which a special program had to be written to perform such a large calculation. It took the UNIVAC computer 62 seconds to produce the correct answer. On 18 June 1980, she demonstrated the multiplication of two 13-digit numbers – 7,686,369,774,870 × 2,465,099,745,779. The Department of Computing at Imperial College London randomly picked these numbers. She correctly answered 18,947,668,177,995,426,462,773,730 in 28 seconds. This event was recorded in the 1982 Guinness Book of World Records. Writer Steven Smith commented, "the result is so far superior to anything previously reported that it can only be described as unbelievable." Shakuntala Devi explained many of the methods she used to do mental calculations in her 1977 book Figuring: The Joy of Numbers.

In 1977, she wrote The World of Homosexuals, the first published academic study of homosexuality in India, for which she was criticised. In the documentary For Straights Only, she said that her interest in the topic was because of her marriage to a homosexual man and her desire to look at homosexuality more closely to understand it. The book, considered "pioneering", features interviews with two young Indian homosexual men, a male couple in Canada seeking legal marriage, a temple priest who explains his views on homosexuality, and a review of the existing literature on homosexuality. It ends with a call for decriminalisation of homosexuality, and "full and complete acceptance—not tolerance and sympathy". The book, however, went mostly unnoticed at that time.

Devi returned to India in the mid-1960s, and she married Paritosh Banerji, an officer of the Indian Administrative Service from Kolkata. They divorced in 1979, after her husband's homosexuality was allegedly revealed. Their daughter Anupama Banerji claimed that Devi lied about her husband being gay to promote her book on homosexuals because her credibility on the subject matter was questioned. In 1980, she contested the Lok Sabha elections as an independent candidate for Mumbai South and for Medak in Andhra Pradesh (now in Telangana). In Medak she stood against the former Prime Minister Indira Gandhi, saying she wanted to "defend the people of Medak from being fooled by Mrs. Gandhi"; she came ninth, with 6,514 votes (1.47% of the votes). Devi returned to Bangalore in the early 1980s. In addition to her work as a mental calculator, Devi was a notable astrologer and an author of several books, including cookbooks and novels. She started with writing short stories and murder mysteries, and had a keen interest in music.

A film on her life titled Shakuntala Devi was announced in May 2019. The film stars Vidya Balan in the lead title role and features Sanya Malhotra, Amit Sadh, and Jisshu Sengupta in the supporting roles. Produced by Sony Pictures Networks Productions, the film streamed worldwide on Amazon Prime Video on 31 July 2020.

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