By 1957, he set this subject aside in order to work in algebraic geometry and homological algebra.

By 1957, the eight plutonium production reactors at Hanford dumped a daily average of 50, 000 curies of radioactive material into the Columbia.

By March 1957, a full year after the release of " Please, Please, Please ", most members of the Famous Flames had left the group after the group's new manager, Universal Attractions Agency Chief Ben Bart, insisted that the group's billing be " James Brown and The Famous Flames ".

By 1957 they were students in the Vagabond Class of 1958 at the nearby University High School, where again they were on the school's football team, the Warriors.

By 1957 the term was used in the Times Educational Supplement and in Universities Quarterly by 1958.

By the late fifties, he regularly appeared on television: as Sean Connery's trainer in boxing drama Requiem for a Heavyweight ( 1957 ), with Charlie Drake in the sitcom Drake's Progress ( BBC, 1957 ) and a title role in Three ' Tough ' Guys ( ITV, 1957 ), in which he played a bungling criminal.

By the end of the 1940s the number of languages broadcast had expanded and reception had improved following the opening of a relay in modern day Malaysia and of the Limassol relay, Cyprus, in 1957.

By the end of December, the British and French forces had totally withdrawn from Egyptian territory ; after additional UN resolutions and intense US pressure, Israel completed its withdrawal on 8 March 1957.

By the end of 1957, Nasser nationalized all remaining British and French assets in Egypt, including the tobacco, cement, pharmaceutical, and phosphate industries.

By 1957, BAS's airline subsidiaries included Air Kruise, Aquila Airways, Britavia, the Lancashire Aircraft Corporation and the original Manx Airlines, apart from Silver City Airways itself.

By 1957, it changed its name to the Elizabethan Theatre Trust Opera Company.

By 1957 Clearwater was America's fastest growing city.

By February 1, 1957, it grew to base status and was again redesignated as Marine Corps Base, Twentynine Palms, Calif.

By 1957, with the growth of the automobile industry, Streetsboro experienced a population explosion.

By 1957, Merck, Sharpe & Dohme had sold most of their property and moved to West Point, Pa.

By 1957, the North Richland Hills ' boundary was within of Smithfield, and by 1960 Smithfield had been annexed to North Richland Hills.

By the spring of 1957, Mao had announced that criticism was " preferred " and had begun to mount pressure on those who did not turn in healthy criticism on policy to the Central Government.

By early July 1957, the campaign had become too difficult to control, and Mao viewed many of the received letters as absurd.

By 1957, Genovese felt strong enough to move against Luciano and his acting boss in New York, Frank Costello.

By 1957, the year Cornplanter's last direct descendant ( Jesse Cornplanter ) had died, the Cornplanter Tract had only a seasonal population.

By this time also ( July 1957 ) his noteworthy theatrical credits already included performances as Jimmy in The Rainmaker and as Harvey Weems in Horton Foote's The Midnight Caller.

By 1957, Pomus had given up performing in order to devote himself full-time to songwriting.

By the age of twenty, Ferdinando I, Duke of Mantua, began commissioning works from him, and he was also employed by local jewelers for figurative designs.

By 1872, he was living in Vienna and was employed by the Department of Justice as an officer and by Prince Rudolf's family as his tutor.

By the 1960s, motor vehicles were being restricted or banned from crossing the border, while only Spanish nationals employed on the Rock being allowed to enter Gibraltar.

By this time, the U. S. Marines had been issued the modern tripod-mounted M1895 Colt-Browning machine gun in 6mm Lee Navy, which they employed to defeat Spanish infantry at the battle of Cuzco Wells.

By way of a folk memorial, he is recalled in the Australian vernacular expression " do a Harold Holt " ( or " do the Harry "), rhyming slang for " do a bolt " meaning " to disappear suddenly and without explanation ", although this is usually employed in the context of disappearance from a social gathering rather than a case of presumed death.

Engines can be classified in many different ways: By the engine cycle used, the layout of the engine, source of energy, the use of the engine, or by the cooling system employed.

By 1980 the firm had operations in southern Africa, Australia, China, Great Britain, Hong Kong, Indonesia, Japan, Malaysia, Philippines, Saudi Arabia, Singapore, South Korea, Taiwan, Thailand, as well as the United States, and employed 37, 000 people.

By June of the same year, Broz left Omsk to find work and support his family, and was employed as a mechanic near Omsk for a year.

By comparison, in 2008 Koenigsegg with its staff of 45 produced 18 cars at an average price of US $ 1 million each ; Saab employed 3, 400 workers and made more than 93, 000 cars.

By the 1960s and ' 70s, interviewing began to be employed more often when historians investigated history from below.

By late 1986 fiber optic communications technology was being employed to relieve the strain on existing telephone circuits.

By 1914 40 % of Russian workers were employed in factories of + 1, 000 workers ( 32 % in 1901 ).

By engaging in their work, a shaman is exposed to significant personal risk, from the spirit world, from enemy shamans, or from the means employed to alter the shaman's state of consciousness.

By 1757, soldiers were employed in killing the wild cats.

By executive order of President Harry S. Truman, the U. S. employed the uranium-type nuclear weapon code named " Little Boy " on the city of Hiroshima on Monday, August 6, 1945, followed three days later by the detonation of the plutonium-type weapon code named " Fat Man " over the city of Nagasaki on August 9.

By the beginning of 1839 Richard Wagner was employed as a conductor at the Court Theatre in Riga.

By 1536, Holbein was employed as the King's Painter on an annual salary of 30 pounds, though he was never the highest-paid artist on the royal payroll.

By 1898 steam traction engine trains with up to four wagons were employed in military manoeuvres in England.

By the time the civil contribution to the Airlift was scaled down in February 1949, the company's three Bristol Freighters were the last twin-engined airliners employed in this operation.

By mid-century, the actor-manager tradition had declined, to be replaced by a structure where the major theatre companies employed professional directors as auteurs.

By the late 10th century the tradition of skaldic verse had increasingly moved to Iceland and Norwegian rulers such as Eiríkr Hákonarson and St. Olaf employed mostly Icelandic poets.

Elizabeth famously said: " By God's death, these are but inventions against the young man " and she also said he was " a man fit to be employed by ourselves ".

By the end of the war, the Company employed over 3000 at its production works at Filton and Brislington.

By the end of 1902 Britain employed 500, 000 soldiers against a fighting force of approximately 64, 000 Boers.