In October, 1952, Cox reported that he had grown the Lansing strain of polio virus in fertile hens ' eggs, and in 1961, he announced an oral polio vaccine.

On April 12, 1961, Hill was stricken with a virus the night of a sold-out performance for the Masters Children's Center of Dobbs Ferry.

As the ITV network grew over the next few years, the programme was transmitted by these new stations on these dates onward: Westward Television from episode 40 on 29 April 1961, Border Television from episode 76 on 1 September 1961, Grampian Television from episode 84 on 30 September 1961, Channel Television from episode 180 on 1 September 1962 and Teledu Cymru ( north and west Wales ) from episode 184 on 14 September 1962.

He developed his ideas in Feudal Society ( 1939 – 40 ; English 1961 ).

* 40 Tom Brookshier, CB, 1954 – 1961

In 1961, the dispossession of farmland had produced 40, 000 landless families and by 1969 their numbers amounted to 400, 000 throughout Colombia.

:: 1923 – 24, 1927 – 28, 1935 – 36, 1937 – 38, 1939 – 40, 1960 – 61, 1961 – 62, 1964 – 65, 1968 – 69, 1970 – 71, 1973 – 74, 1983 – 84, 1992 – 93, 1998 – 99

The execution probably took place on 17 January 1961 between 21: 40 and 21: 43 according to the Belgian report.

About 40, 000 communist soldiers infiltrated south in 1961 – 63.

" ( Atlantic 2089 ), " Just Out of Reach ( Of My Two Open Arms )" ( Atlantic 2114 ) was Burke's first hit, selling over a million copies, and subsequently spent 19 weeks on the R & B charts while climbing to # 7, as well as crossing over into the pop top 40, reaching # 24 on November 20, 1961.

As Cleopatras budget passed the ten-million-dollar mark, settling somewhere around $ 40 million, Fox sold its back lot ( now the site of Century City ) to Alcoa in 1961 to raise cash.

In 1961, World Book produced a Braille edition, which filled 145 volumes and nearly 40, 000 pages.

:: Un-named Shoal ( Unofficially: Old Shaky ), in 185-foot ( 56 m ) water, 84 miles ( 135 km ) south-east of New York City 39 ° 48 ′ N 72 ° 40 ′ W ( Destroyed, with 28 killed, during a storm on 15 January 1961 ), linked to Highlands, NJ mainland station.

40, 1961.

* Agent Pink ( 60 % – 40 % n-butyl: isobutyl esters of 2, 4, 5-T ) used in 1961, 1965

A rand was worth US $ 1. 40 from the time of its inception in 1961 until 1982, when mounting political pressure combined with sanctions placed against the country due to apartheid started to erode its value.

His four consecutive years with exactly 23 home runs tied Ken Boyer ( 24 each year for Cardinals from 1961 – 1964 ) for most consecutive years with exactly the same number of home runs ( based on 20 or more home runs ); Adam Dunn later matched this mark with 40 each year from 2005-2008.

Wells became the first Motown female artist to have a Top 40 pop single after the Mickey Stevenson-penned doo-wop song, " I Don't Want to Take a Chance ", hit No. 33 in June, 1961.

Lindsay, on the strength of their Top 40 single, toured the U. S. in summer 1961 with a band that featured Leon Russell filling in for Revere on piano.

" (# 2 in 1955 ) and " You Are My Love " (# 6 in 1955 ) as well as sixteen other Top 40 hits from 1952 to 1961.

The most multi-family homes ( 47 ) were built between 1961 and 1970 and the next most ( 40 ) were built between 1919 and 1945.

He joined Operation 40 and the 1961 Bay of Pigs invasion.

40 half-hour episodes were broadcast over seven series, between 1952 and 1961 ; and there were also three television specials.

The basic version of the R3 was priced just 40 francs below the lowest priced version of the Citroen 2CV in 1961.

On 30 November 1959, off-peak services on the line were cut to 20 minutes during the day and about 35 minutes at night, and on 23 October 1961, the Saturday frequency was cut to every 40 minutes.

Soon after its discovery, SV40 was identified in the injected form of the polio vaccine produced between 1955 and 1961.

The best-known of these viruses became SV40, a viral contaminant of the polio vaccine, whose discovery led to the recall of Salk's vaccine in 1961 and its replacement with Albert Sabin's oral vaccine.

* 1961 – A 500, 000-year-old rock is discovered near Olancha, California, US, that appears to anachronistically encase a spark plug.

However, in 1924, Czech physicist August Žáček ( 1886 – 1961 ) and German physicist Erich Habann ( 1892 – 1968 ) independently discovered that the magnetron could generate waves of 100 megahertz to 1 gigahertz.

Neon ( Greek ( neon ) meaning " new one ") was discovered in 1898 by the British chemists Sir William Ramsay ( 1852 – 1916 ) and Morris W. Travers ( 1872 – 1961 ) in London.

In 1961 the American physicist Eugene Kunzler and coworkers at Bell Labs discovered that niobium-tin continues to exhibit superconductivity in the presence of strong electric currents and magnetic fields, making it the first material to support the high currents and fields necessary for useful high-power magnets and electrically powered machinery.

In a widely-publicided prank by the students of the Helsinki University of Technology, a miniature copy of the statue was discovered from the 300-year-old wreck of the Swedish war ship Vasa when it was lifted from the bottom of the sea in 1961.

This manuscript was discovered in 1961, in the Sibiu public records ( Sibiu public records Varia II 374 ).

The San Giovenale altarpiece was only discovered in 1961 in the church of San Giovenale at Cascia di Reggello, which is very close to Masaccio's hometown.

Chemical element number 103, discovered at LBNL in 1961, is named " lawrencium " in his honor.

The importance of the thymus in the immune system was discovered in 1961 by Jacques Miller, by surgically removing the thymus from three day old mice, and observing the subsequent deficiency in a lymphocyte population, subsequently named T-cells after the organ of their origin.

In 1961, however, Jacques Monod, Jean-Pierre Changeux and François Jacob discovered within the bacterium Escherichia coli a gene that functioned only when " switched on " by an environmental stimulus.

One of them is a short biography discovered in 1961 on an Egyptian papyrus dating from at least 200 AD ( P. Oxy. 2438 ).

The significance of the Pilate Stone, an artifact discovered in 1961 that names Pontius Pilate, is debated by a few scholars.

Limestone cows block discovered in 1961 with Pilate's tribute in Latin to Tiberius.

The first physical evidence relating to Pilate was discovered in 1961, when a block of limestone, the Pilate Stone, was found in the Roman theatre at Caesarea Maritima, the capital of the province of Judaea ( Iudaea ).

However, an inscription on a limestone block known as the Pilate Stone — a dedication to Tiberius Caesar Augustus — that was discovered in 1961 in the ruins of an amphitheater at Caesarea Maritima refers to Pilate as " Prefect of Judaea ".

Q-switching was first proposed in 1958 by Gordon Gould, and independently discovered and demonstrated in 1961 or 1962 by R. W.

The two pairs that were discovered in 1961 have now grown to well over 300 pairs.

In 1961, however, it was discovered that the 15 ¢ stamp of the same series also existed in a Z grill version ; this stamp is just as rare as the 1 ¢, for only two examples of the 15 ¢ Z grill are known.

On 1 March 1961, BEA began commercial Vanguard services following a delay to the aircraft's entry into service, as a result of major defects discovered in its Rolls-Royce Tyne engine's compressor during testing in early 1960.

The Tărtăria tablets are three tablets, discovered in 1961 by archaeologist Nicolae Vlassa at a Neolithic site in the village of Tărtăria ( about from Alba Iulia ), in Romania.

The Tărtăria tablets dated 5300 BC were discovered in the village of Tărtăria, part of the Săliştea commune, in 1961 by a team of Romanian archaeologists led by Nicolae Vlassa.

experiment of 1961, which discovered frameshift mutations.

John S. Mayfield of Syracuse University discovered the maps in Lewis's Vermont study in 1961.

A double-flowered form was discovered in at the mouth of the Duckabush River, Jefferson County, Washington, around May 1, 1961, by Dr. R. C. Creelman of Bremerton, Washington.

Created in 1961 to preserve the place where Brazil was “ discovered ” by Portuguese warriors.