He subsequently wrote three novels merging these overarching themes, The World of Null-A and The Pawns of Null-A in the late 1940s, and Null-A Three in the early 1980s.

His work on sheaf theory hardly appears in his published papers, but correspondence with Henri Cartan in the late 1940s, and reprinted in his collected papers, proved most influential.

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.

By the late 1940s it was known that the properties of atomic nucleus could not be explained by the then-current models ( such as the liquid drop model developed by Niels Bohr amongst others ).

On March 3, 1923, in Havana, Cuba, Nin married her first husband, Hugh Parker Guiler ( 1898 – 1985 ), a banker and artist, later known as " Ian Hugo " when he became a maker of experimental films in the late 1940s.

From the early 1940s to the late 1950s, there were scores of Sunday strip-style magazine ads for Cream of Wheat using the Abner characters, and in the 1950s, Fearless Fosdick became a spokesman for Wildroot Cream-Oil hair tonic in a series of daily strip-style print ads.

For many years, bouldering was commonly viewed as a playful training activity for climbers, although in the 1930s and late 1940s Pierre Allain and his companions enjoyed bouldering for its own sake in Fontainebleau, considered by many to be the Mecca of bouldering.

Still a binge drinker, Wills became increasingly unreliable in the late 1940s, causing a rift with Tommy Duncan ( who bore the brunt of audience anger when Wills's binges prevented him from appearing ).

FBI pressure on Chaplin grew after his 1942 campaign for a second European front in the war and reached a critical level in the late 1940s, when Congressional figures threatened to call him as a witness in hearings.

In England in the late 1940s, Ealing Studios achieved popular success as well as critical acclaim with a series of films known collectively as the " Ealing comedies ", from 1947 to 1957.

She described in her memoir, Harsh Route ( or Steep Route ), of a case which she was directly involved in during the late 1940s, after she had been moved to the prisoners ' hospital.

Starting in the late 1940s, the national syndicates which distributed newspaper comic strips subjected them to very strict censorship.

Thousand Days War ( 1899 – 1902 ) cost an estimated 100, 000 lives, and up to 300, 000 people died during " La Violencia " ( The Violence ) of the late 1940s and 1950s, a bipartisan confrontation which erupted after the assassination of Liberal popular candidate Jorge Eliécer Gaitán.

From the late 1940s to 1989, the extensive Czechoslovak Armed Forces ( about 200, 000 ) formed one of the pillars of the Warsaw Pact military alliance.

As a serious proposal, it was first suggested by mathematician John Von Neumann in the late 1940s when he proposed a kinematic self-reproducing automaton model as a thought experiment.

Brown's celebrity was cresting in the late 1940s, thanks to his success with teams at the high school, college and now professional levels.

Crest of the former Metropolitan Borough of Greenwich Council, used by Charlton briefly in late 1940s and early 50sCharlton have used a number of crests and badges during their history, although the current design has not been changed since 1968.

In the late 1940s and early 1950s, the crest of the former metropolitan borough of Greenwich was used as a symbol for the club but this was not used on the team's shirts.

Efforts began in the late 1940s to find non-volatile memory.

The earliest known Wiccan version is found in a document dating from the late 1940s, Gereald Gardner's ritual notebook titled Ye Bok of Ye Art Magical ( fomerly in the collection of Ripley's International, Toronto ).

Experimenting with the use of negative space and organic forms in the late 1940s, by the mid-1950s Alston began creating notably modernist style paintings.

In the late 1940s Alston became involved in a mural project commissioned by Golden State Mutual Life Insurance Company which asked the artists to create work involving African American contributions to the settling of California.

The years from approximately 1900 to the late 1940s saw very little in the way of crannog excavation in Scotland, while Ireland did witness some important and highly influential contributions.

Jones hit his stride in the late 1940s, and continued to make his best-regarded works through the 1950s.

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.

He was one of the earliest founders and movement leaders of the Mujahideen in the late 1970s, right before the Soviet invasion of Afghanistan.

When the Soviet Union broke up in late 1991, a major boost to Cuba's economy was lost, leaving it essentially paralyzed because of the economy's narrow basis, focused on just a few products with just a few buyers.

A sudden transition to democracy, these experts contend, would result in the economic and political upheaval that occurred in the Soviet Union in the late 1980s, and that by focusing on economic growth, China is setting the stage for a more gradual but sustainable transition to a more politically liberal system.

In the late summer of 1984, the Soviet Union also prevented a visit to West Germany by East German leader Erich Honecker.

Fighting in Afghanistan also intensified, but in the late autumn of 1984 the United States and the Soviet Union did agree to resume arms control talks in early 1985.

Although perestroika was considered bold in the context of Soviet history, Gorbachev's attempts at economic reform were not radical enough to restart the country's chronically sluggish economy in the late 1980s.

Historians have liberally used emperor and, especially so, empire anachronistically and out of its Roman and European context to describe any large state and its ruler in the past and present ; sometimes even to refer to non-monarchically ruled states and their spheres of influence: such examples include the " Athenian Empire " of the late 5th century BC, the " Angevin Empire " of the Plantagenets, or the Soviet and American " empires " of the Cold War era.

Archaeological exploration of the pre-Islamic period of Afghanistan began in Afghanistan in earnest after World War II and proceeded until the late 1970s when the nation was invaded by the Soviet Union.

It was thought in the late eighties that the protection level of the Future Soviet Tank ( FST ) could exceed 700 mm of rolled homogeneous armour equivalence at its maximum thickness, which was effectively immune against the contemporary M-829 armour piercing fin stabilized discarding sabot.

Also, in spite of ideological differences, Fascist Italy was the first western country to recognize the Soviet Union, in 1933 Fascist Italy had signed a friendship and nonaggression treaty with the Soviet Union, and in the late 1930s both Fascist Italy and Nazi Germany supported rapproachment with the Soviet Union.

* 1984 – Konstantin Chernenko succeeds the late Yuri Andropov as general secretary of the Communist Party of the Soviet Union.

Finland cut such a deal with Joseph Stalin's government in the late 1940s, and it was largely respected by both parties — and to the gain of both parties — until the fall of the Soviet Union in 1991.

Vacillating between support for the Soviet Union and ( by the late 1970s ) the United States, Guinea's economic situation became as unpredictable as its diplomatic line.

Thus the only concentration of troops in Conakry appeared to be the armoured battalion, with a modest number of Soviet medium tanks manufactured in the late 1940s, as well as Soviet APCs, and elements of the engineer battalion.

In the late 1980s, the Soviet government came under increased criticism, as did Leninist ideology ( which Gorbachev had attempted to preserve as the foundation for reform ), and members of the Soviet population were more outspoken in their view that the Soviet government had become a failure.

For example, one key meeting location was in the U. S. at the Dakin Building, then owned by American philanthropist Henry Dakin, who had extensive Russian contacts: During the late 1980s, as glasnost and perestroika led to the liquidation of the Soviet empire, the Dakin building was the location for a series of groups facilitating United States-Russian contacts.

After allying with Mussolini's Italy in the " Pact of Steel " and signing a non-aggression pact with the Soviet Union, the German dictator Adolf Hitler started the Second World War on 1 September 1939 attacking Poland and following a military build-up throughout the late 1930s.

However, by the late 1980s, with the weaknesses of its economic and political structures becoming acute, the Communist leaders embarked on major reforms, which led to the fall of the Soviet Union.