By 1951 he was playing on the street with backing from Roosevelt Jackson ( on washtub bass ) and Jody Williams ( whom he had taught to play the guitar ).

By 1951 about 20 % of the British economy had been taken into public ownership.

By 1951, the Attlee government was looking increasingly exhausted, with several of its most important ministers ailing or having died.

By 1951, 87 subroutines in the following categories were available for general use: floating point arithmetic ; arithmetic operations on complex numbers ; checking ; division ; exponentiation ; routines relating to functions ; differential equations ; special functions ; power series ; logarithms ; miscellaneous ; print and layout ; quadrature ; read ( input ); nth root ; trigonometric functions ; counting operations ( simulating repeat until loops, while loops and for loops ); vectors ; and matrices.

By contrast, Interlingua ( 1951 ) has greatly surpassed Ido in terms of popularity.

By contrast, von Neumann recommended against floating point for the 1951 IAS machine, arguing that fixed point arithmetic was preferable.

By 1951 laws were passed by the Bundestag ending denazification.

By September 1951 they had officially come to a stance of supporting self-government for Cornwall, in what they hoped at the time would be a federal United Kingdom.

By 1952 as the funding ended, the economy of every participant state had surpassed pre-war levels ; for all Marshall Plan recipients, output in 1951 was at least 35 % higher than in 1938.

By 1951 the work of Schaeffer, composer-percussionist Pierre Henry, and sound engineer Jacques Poullin had received official recognition and The Groupe de Recherches de Musique Concrète, Club d ' Essai de la Radiodiffusion-Télévision Franglaise

By 1951, degrees were offered in Arts, Secretarial Science, Music, Home Economics, Library Science, Nursing and Education.

By 1950 there would be 50, 000 motels serving half of the 22 million US vacationers ; by 1951 motels would surpass hotels in consumer demand.

By 1948, the house was declared to be in imminent danger of collapse, forcing President Truman to commission a reconstruction and move across the street to Blair House from 1949 to 1951.

By 1951, the four networks stretched from coast to coast, carried on the new microwave radio relay network of AT & T Long Lines.

By the time of the 1951 Census the population was only 44 % of what it had been in 1841.

By 1951, almost 20, 000 lobotomies had been performed in the United States.

By 1951, the L & M division, with its defense contracts, was growing faster than GSI's Geophysical division.

* French — Burguet, Paul Henry: The Imprint, or The Red Hand ( 1908 ; Gaston Séverin plays Pierrot ); Carné, Marcel: Children of Paradise ( 1945 ; see above under The Pantomime of Deburau at the Théâtre des Funambules ); Carré fils, Michel: The Prodigal Son a. k. a. Pierrot the Prodigal ( 1907 ; the first feature-length film and the first film of a stage-play Carré's pantomime of 1890 ; George Wague plays Pierrot père ); Feuillade, Louis: Pierrot's Projector ( 1909 ), Pierrot, Pierrette ( 1924 ); Guitry, Sacha: Deburau ( 1951 ; based upon Guitry's own stage-play # Plays, playlets, pantomimes, and revues | Plays, playlets, pantomimes, and revues above ); Guy, Alice: Pierrot, Murderer ( 1904 ); Leprince, René: Pierrot Loves Roses ( 1910 ); Méliès, Georges: By Moonlight, or The Unfortunate Pierrot ( 1904 ).

By 1951, malaria was successfully eliminated with the support of the Rockefeller Foundation.

By 1951, enrollment stood at 35, 000 and included teachers, county and city employees.

By 1951, the Congress had concluded that they had become " deformed workers ' states.

By the end of 1951 production totalled 16, 288.

By the end of 1951 it was generally accepted at King's that the B form of DNA was a helix, but after she had recorded an asymmetrical image in 1952 May, Franklin became unconvinced that the A form of DNA was helical in structure.

By 1951 the population of Ickenham had reached 7, 107, and this had risen to 10, 370 by 1961 and 11, 214 by 1971.

By 1951 this had risen to 11, 776.

By 1926 the market for commercial radio had expanded, and RCA purchased the WEAF and WCAP radio stations and networks from AT & T, merged them with its WJZ ( the predecessor of WABC ) New York to WRC ( presently WTEM ) Washington chain, and formed the National Broadcasting Company ( NBC ).

By May, Kline had sold the idea to 48 NBC stations and the Canadian CTV network.

By the time the smoke had cleared in 1943, NBC found itself shorn of its Blue network, which became ABC.

By 1993, when Burr signed with NBC for another season of Mason films, he was using a wheelchair full-time because of his failing health.

By 1992, however, the Evening News had fallen to third place, where it remained until Bob Schieffer, who acted as the interim anchor between Rather and Katie Couric, saw the Evening News rise to # 2 ahead of ABC World News Tonight in the wake of the death of Peter Jennings but remaining behind NBC Nightly News.

Just over a year following the show's cancellation, NBC launched another youth-oriented series, Saved By The Bell, for Saturday mornings.

By 1928, Cadman had a weekly Sunday afternoon radio broadcast on the NBC radio network, his powerful oratory reaching a nationwide audience of five million persons.

By exploiting the speed of jet transportation and flexibility of videotape, Scherick was able to undercut NBC and CBS's advantages in broadcasting live sporting events.

By the mid 1940s, RCA and NBC were refining the filming process and including sound ; the images were less jerky but still somewhat fuzzy.

In 1989, she shot a pilot for NBC entitled Morton's By the Bay, which aired as a one-time special in May of that year.

By the end of 1938, Mutual had 74 exclusive affiliates ; though the two leading radio network companies discouraged dual affiliations, Mutual shared another 25 affiliates with NBC and 5 with CBS.

By 1956, NBC executives had grown dissatisfied with Swayze in his role anchoring the network's evening news program, which fell behind its main competition, CBS's Douglas Edwards with the News, in 1955.

By the 1974 – 1975 season, Sanford and Sons high lead-in helped the entire NBC Friday night lineup to place in the coveted bracket of Top 20 shows ( Chico and the Man, following Sanford, placed in the Top 10, while the police dramas The Rockford Files and Police Woman aired later in the evening and ranked in the lower reaches of the Top 20 ).

By 1927 two national networks had been formed, the NBC Red Network and the Blue Network ( ABC ).

By season four, Highway took a nose dive in the ratings, and in June 1988, NBC announced that the series would return for an abbreviated fifth season, which would be its last.

By 1955, DuMont realized it could not compete against CBS, NBC and a revived ABC, and decided to shut down network operations.

By the 1992 conventions, network coverage increased from three networks ( NBC, ABC and CBS ) to five networks ( NBC, ABC, CBS, Fox and PBS ).

By 1958, WICS was an exclusive NBC affiliate.

It was following this run in 1996 that The Sporting News named Ebersol the “ Most Powerful Person in Sports .” By January 1998, NBC had become the home of four Super Bowls in six years.

By the time NBC canceled the long running serial in 1982, it had reached a 1. 6 in the Nielsens ; this was the lowest level any soap opera had reached in the history of the rating system, breaking the record that ABC's short-lived 1970 soap, The Best of Everything, had set with a 1. 8.

By this point, NBC had canceled the show, and promised Levitan to run the remaining episodes twice a week until the series finale.

By this time, NBC had once again become the highest-rated broadcast network.

By that time he was running only a part-time schedule, and was splitting time working as a television analyst on NBC, ABC, CBS and ESPN.