Question:
Richard Charles "Dick" Lewontin (born March 29, 1929) is an American evolutionary biologist, mathematician, geneticist, and social commentator. A leader in developing the mathematical basis of population genetics and evolutionary theory, he pioneered the application of techniques from molecular biology, such as gel electrophoresis, to questions of genetic variation and evolution. In a pair of seminal 1966 papers co-authored with J.L. Hubby in the journal Genetics, Lewontin helped set the stage for the modern field of molecular evolution. In 1979 he and Stephen Jay Gould introduced the term "spandrel" into evolutionary theory.
Along with others, such as Gould, Lewontin has been a persistent critic of some themes in neo-Darwinism. Specifically, he has criticised proponents of sociobiology and evolutionary psychology such as Edward O. Wilson and Richard Dawkins, who attempt to explain animal behaviour and social structures in terms of evolutionary advantage or strategy. He and others criticize this approach when applied to humans, as he sees it as genetic determinism. In his writing, Lewontin suggests a more nuanced view of evolution is needed, which requires a more careful understanding of the context of the whole organism as well as the environment.  Such concerns about what he views as the oversimplification of genetics has led Lewontin to be a frequent participant in debates, and an active life as a public intellectual. He has lectured widely to promote his views on evolutionary biology and science. In books such as Not in Our Genes (co-authored with Steven Rose and Leon J. Kamin) and numerous articles, Lewontin has questioned much of the claimed heritability of human behavioral traits, such as intelligence as measured by IQ tests.  Some academics have criticized him for rejecting sociobiology for non-scientific reasons. Edward Wilson (1995) suggested that Lewontin's political beliefs affected his scientific view. Robert Trivers described Lewontin as "...a man with great talents who often wasted them on foolishness, on preening and showing off, on shallow political thinking and on useless philosophical rumination while limiting his genetic work by assumptions congenial to his politics." Lewontin has at times identified himself as Marxist, and admitted that his ideological views have affected his scientific work (Levins and Lewontin 1985). Others such as Kitcher (1985) have countered that Lewontin's criticisms of sociobiology are genuine scientific concerns about the discipline. He wrote that attacking Lewontin's motives amounts to an ad hominem argument.
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What field does he work in?

Answer:
sociobiology and evolutionary psychology such as Edward O. Wilson and Richard Dawkins,

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The Wildhearts are an English rock group, formed in 1989 in Newcastle upon Tyne. The band's sound is a mixture of hard rock and melodic pop music, often described in the music press as combining influences as diverse as The Beatles and 1980s-era Metallica. However, this characterization is denied by the band, who see their influences as being far broader, as shown in the song "29 X The Pain", which lists many of group leader Ginger's influences. Despite several top 20 singles and one top 10 album in Britain, the Wildhearts have not achieved major commercial success, owing in part to difficulties with record companies and many internal problems often relating to recreational drugs and depression.
In early 2001 Ginger announced that he was reforming the Earth vs the Wildhearts lineup of the band for a tour later that year. This lineup (consisting of Ginger and CJ on guitars and vocals, Danny McCormack on bass and vocals, and Stidi on drums) soon ran into difficulty due to McCormack's battle against heroin addiction, and on several dates of the comeback tour Toshi (from support band AntiProduct) stood in as bassist. By 2002 McCormack was once again clean and the band started recording a new mini-album and also toured the UK. The tracks intended for the album were released in the UK in late 2002 across three formats of the "Vanilla Radio" single, and as the mini-album Riff After Riff After Motherfucking Riff in Japan. "Vanilla Radio" reached the top 30 in the UK singles chart, and in early 2003 work began on a full-length album. However, during recording, McCormack checked himself into a rehabilitation center to deal with an alcohol problem, leaving Ginger to play the bass parts on the songs that were newly recorded for the album. McCormack's place in the live band was filled by "Random" Jon Poole, who had already worked with Ginger on his Silver Ginger 5 side project.  The album The Wildhearts Must Be Destroyed, released in 2003, had a very commercial sound, full of short simple pop songs with little of the heavier rock style which often featured on previous albums. The band also managed to get a US record deal with Gearhead Records, which released Riff After Riff in 2004, a compilation of songs from the UK post-reformation singles (all of the songs from this release are also found on the Gut Records compilation Coupled With). Riff After Riff was the Wildhearts' first US release since Earth vs the Wildhearts in 1994. The release was also promoted by a tour, mostly as the support band for their ex-support band, The Darkness.  Then in early 2005, Ginger dissolved the Wildhearts again, citing a mixture of his own personal problems and a lack of commitment within the band. He briefly joined the Brides of Destruction before setting out on his own as a full-time solo artist. In typically unpredictable Wildhearts style, Ginger then reformed the Wildhearts once again for a one-off gig at Scarborough Castle (Rock In The Castle) in September 2005. The 1994-1995 line-up of Ginger, C.J., McCormack, and Ritch Battersby played at this gig.  Once again, the Wildhearts reformed in December 2006 and played a single live show at the Wulfrun Hall in Wolverhampton. This line-up saw Ginger joined again by C.J., Ritch Battersby and a new bassist, Scott Sorry (ex-Amen). This line-up soon became official, with plans made for a new album in 2007.

What was their reformation?
In early 2001 Ginger announced that he was reforming the Earth vs the Wildhearts lineup of the band for a tour later that year.