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.

After leaving the group in late 1968, Parsons and fellow Byrd Chris Hillman formed The Flying Burrito Brothers in 1969, releasing their debut, The Gilded Palace of Sin, the same year.

By 1968 Parsons had come to the attention of The Byrds ' bassist, Chris Hillman, via Larry Spector ( The Byrds ' business manager ), as a possible replacement band member following the departures of David Crosby and Michael Clarke from the group in late 1967.

As a result, McGuinn ended up replacing three of Parsons ' lead vocals with his own singing on the finished album, a move that was still rankling Parsons as late as 1973, when he told Cameron Crowe in an interview that McGuinn " erased it and did the vocals himself and fucked it up.

Both Leadon and Parsons were members of the Flying Burrito Brothers during the late 1960s and early 1970s.

It was inspired by the late 19th century writings of early feminist anarchists such as Lucy Parsons, Emma Goldman, Voltairine de Cleyre and Virginia Bolten.

Dylan's lead was also followed by The Byrds, joined by Gram Parsons to record Sweetheart of the Rodeo ( 1968 ), helping to define the genre of country rock, which became a particularly popular style in the California music scene of the late 1960s, and was adopted by former folk rock artists including Hearts and Flowers, Poco and New Riders of the Purple Sage.

Following Alan Parsons ' example, vocoders began to appear in pop music in the late 1970s, for example, on disco recordings.

Other notable people born in or associated with Newcastle include: engineer and industrialist Lord Armstrong, engineer and father of the modern steam railways George Stephenson, his son, also an engineer, Robert Stephenson, engineer and inventor of the steam turbine Sir Charles Parsons, inventor of the incandescent light bulb Sir Joseph Swan, modernist poet Basil Bunting, Lord Chief Justice Peter Taylor, the Portuguese writer Eça de Queiroz who was a diplomat in Newcastle from late 1874 until April 1879 — his most productive literary period, The Prime Minister of Thailand Abhisit Vejjajiva, singers Eric Burdon, Sting and Brian Johnson, lead singer of AC / DC from 1980 to the present, actors Charlie Hunnam multiple circumnavigator David Scott Cowper, Neil Tennant, Alan Hull, Mark Knopfler, Hank Marvin, Bruce Welch, Cheryl Cole, entertainers Ant and Dec, and international footballers Peter Beardsley, Michael Carrick, Andy Carroll, Paul Gascoigne and Alan Shearer.

Barnett Newman, a late member of the Uptown Group, wrote catalogue forewords and reviews, and by the late 1940s became an exhibiting artist at Betty Parsons Gallery.

A well-known example is the sick role as formulated by Talcott Parsons in the late 1940s.

Still visited New York for extended stays in the late 1940s and became associated with two of the galleries that launched the new American art to the world — Peggy Guggenheim's The Art of This Century Gallery and the Betty Parsons gallery.

Barnett Newman actively promoted Martin's work, and even helped install Martin's exhibitions in the late 1950s at Betty Parsons Gallery.

Anarcha-feminism was inspired by late 19th and early 20th century authors and theorists such as anarchist feminists Emma Goldman, Voltairine de Cleyre and Lucy Parsons.

Described by the Chicago Police Department as " more dangerous than a thousand rioters " in the 1920s, Parsons and her husband had become highly effective anarchist organizers primarily involved in the labor movement in the late 19th century, but also participating in revolutionary activism on behalf of political prisoners, people of color, the homeless and women.

In the late 1950s Bidgood attended Parsons The New School for Design.

The Parsons family were originally an English family of which five brothers settled in Ireland during the late 16th century.

Buddy Roberts, Iceman King Parsons and the late Angel of Death stormed the ring and handcuffed Fritz to the cage, delivering a furious beating while Kerry was being ganged up by Gordy.

The late Benny Parsons was the first driver to qualify at over 200 mph, doing so in 1982 with a speed of 200. 176 mph.

" In an article late in life Parsons maintained that the term " functionalism " was an inappropriate characterization of his theory.

But late in the day, he got in Cliff Griffith's car, and at a speed of 141. 565 mph, bumped Johnnie Parsons from the lineup.

In 1969 the company became part of the Reyrolle and Parsons Group and by the late 1990s it was owned by Rolls-Royce plc and the Austrian company VA Tech.

Parsons had already announced in late 2006 that he would not run in the 2007 election.