That remained the state of affairs until the late 1960s when Harald Loe ( at the time a professor at the Royal Dental College in Aarhus, Denmark ) demonstrated that a chlorhexidine compound could prevent the build-up of dental plaque.

Farming of abalone began in the late 1950s and early 1960s in Japan and China.

Collins decided to record it in the late 1960s amid an atmosphere of counterculture introspection ; she was part of an encounter group that ended a contentious meeting by singing " Amazing Grace " as it was the only song to which all the members knew the words.

The last of the Ainu households disappeared in the late 1960s, when Yamanaka Kitaro committed suicide after the death of his wife.

His attitude towards conjectures was that one should not dignify a guess as a conjecture lightly, and in the Taniyama case, the evidence was only there after extensive computational work carried out from the late 1960s.

By the late 1960s he had started to become interested in scientific areas outside of mathematics.

From the late 1940s to the early 1960s, following the creation of the state of Israel, most of these Jews fled their countries of birth and are now mostly concentrated in Israel.

One story is that The Rolling Stones went to stay at Korner's house late one night, in the early 1960s, after a performance.

Although he himself was a blues purist, Korner criticised better-known British blues musicians during the blues boom of the late 1960s for their blind adherence to Chicago blues, as if the music came in no other form.

This practice was particularly popular in the late 1960s.

However, the late 1950s and early 1960s saw the onset of a lasting transformation of the city by the tourist industry.

The local economy is based upon tourism directed to the beaches of the Costa Blanca and particularly the second residence construction boom which started in the 1960s and reinvigorated again by the late 1990s.

From the late 1820s until the mid 1960s, Arapawa Island was a base for whaling in the Sounds.

The region was a major producer of raw opium ( hence the name Afyon ) until the late 1960s when under international pressure, from the USA in particular, the fields were burnt and production ceased.

Remains of the walls of this fort were discovered west of the castle when excavating the foundations for a new post office and telephone exchange building in the late 1960s.

By the late 1960s, the area of LAFTA had a population of 220 million and produced about $ 90 billion of goods and services annually.

Throughout the late 1950s and into the 1960s, the United States and the Soviet Union had been developing a series of missile systems with the ability to shoot down incoming ICBM warheads.

* About 50 people in Vernon, Florida collected insurance claims for loss-of-limb accidents in the late 1950s and early 1960s ; this was more than two-thirds of all such claims in the United States during that time.

He changed his surname from Einstein ( to avoid confusion with the famous physicist ) and began a comedy career that quickly made him a regular on variety and talk shows during the late 1960s and early 1970s.

A standardized form of the Basque language, called Euskara Batua, was developed by the Basque Language Academy in the late 1960s.

In the late 1960s and early 1970s, Thackeray built the party by forming temporary alliances with nearly all of Maharashtra's political parties.

However, in the late 1950s and early 1960s, base-stealing was brought back to prominence primarily by Luis Aparicio and Maury Wills, who broke Cobb's modern single-season record by stealing 104 bases in 1962.

During the late 1960s, the Baseball Players Union became much stronger and conflicts between owners and the players ' union led to major work stoppages in 1972, 1981, and 1994.

The BASIC language was also central to the HP Time-Shared BASIC system in the late 1960s and early 1970s, and the Pick operating system.

Following a brief modeling career in the late 1960s, Berenson became a freelance photographer.

He considered buying Cooper in partnership with Roy Salvadori and then in late 1959 he asked his friend Ron Tauranac to come to the UK and work with him, initially producing upgrade kits for Sunbeam Rapier and Triumph Herald road cars at his car dealership, Jack Brabham Motors, but with the long-term aim of designing racing cars.

The concept of emission and transmission tomography was introduced by David E. Kuhl, Luke Chapman and Roy Edwards in the late 1950s.

In 1951, Little Richard Penniman began recording for RCA Records in the jump blues style of late 1940s stars Roy Brown and Billy Wright.

Roy Jenkins is often seen as responsible for the most wide-ranging social reforms of the late 1960s, with popular historian Andrew Marr claiming ' the greatest changes of the Labour years ' were thanks to Jenkins.

In late 2010 The Morgan Library & Museum showed Roy Lichtenstein: The Black-and-White Drawings, 1961 – 1968.

For example, in the late 1780s, a team from the Ordnance Survey of Great Britain, originally under General William Roy began the Principal Triangulation of Britain using the specially built Ramsden theodolite.

Stephen Roy Miller in his 1998 edition of A Shrew for the Cambridge Shakespeare agrees with the Oliver / Thompson date of late 1591 / early 1592, as he too believes The Shrew preceded A Shrew ( although he rejects the reported text theory in favour of an adaptation / rewrite theory ).

In the late 1980s, Roy Clarke wrote novels featuring Compo, Clegg and Seymour.

A revival in the late 1960s featured Roy Kinnear as Fitz-Oblong.

Duvalier lived in Paris with Veronique Roy, his longtime companion and chief public-relations representative, until his return to Haiti in late January 2011.

The Louisiana State Oil and Gas Museum was pushed to completion by the late Louisiana State Legislature | State Representative Roy M. Hopkins of Oil City.

The Louisiana State Oil and Gas Museum, located in Oil City, was prompted by the late State Representative Roy Hopkins.

Smith acted as Roy Hattersley's campaign manager for the party leadership election in October 1983 and after serving a year as Shadow Employment Secretary, was Shadow Secretary of State for Trade and Industry between late 1984 and 1987.

Jump was especially popular in the late 1940s and early 1950s, through artists such as Louis Jordan, Big Joe Turner, Roy Brown, Charles Brown, T-Bone Walker, Roy Milton, Billy Wright and Wynonie Harris.

A fight with light-heavyweight champion Roy Jones, Jr. was touted in the late 1990s, although ultimately fell through.

Jason was a relatively late candidate for the part, with Jim Broadbent ( who would later appear in a minor recurring role as DCI Roy Slater ), Enn Reitel and Billy Murray all earlier preferences.

The crew were: medical doctor and researcher Roy Walford, Jane Poynter, Taber MacCallum, Mark Nelson, Sally Silverstone, Abigail Alling ( a late replacement for Silke Schneider ), Mark Van Thillo and Linda Leigh.

The first guest speaker was the late Lord Jenkins of Hillhead ( formerly British Home Secretary and President of the European Commission Roy Jenkins ).

Marlatt and her husband, the poet and artist Roy Kiyooka, divorced in the late 1970s and it is around this time that she and her son moved back to Vancouver.

" Merry England " is not a wholly consistent vision but rather a revisited England which the late Oxford folklorist Roy Judge described as " a world that has never actually existed, a visionary, mythical landscape, where it is difficult to take normal historical bearings.

In the late ' 80s Metheny began collaborating more with established jazz figures such as Ornette Coleman, Chick Corea, Michael Brecker, Joshua Redman, Charlie Haden, Jim Hall, Dave Holland, Christian McBride, David Sanchez and Roy Haynes.

Roy Halladay, a Major League Baseball pitcher, is nicknamed " Doc " Halladay, a name coined by the late Toronto Blue Jays announcer Tom Cheek.

The late Noel Redding made Clonakilty his home as has singer-songwriter Roy Harper.