The 60-inch cyclotron at the Lawrence Radiation Laboratory, University of California, Berkeley, in August 1939.

The ABC was built by Dr. Atanasoff and graduate student Clifford Berry in the basement of the physics building at Iowa State College during 1939 – 42.

* 1939 – 13 Stukas dive into the ground during a disastrous air-practice at Neuhammer.

* 1939 – The Wizard of Oz premiered at Grauman's Chinese Theater in Los Angeles, California.

* 1939 – Marian Anderson sings at the Lincoln Memorial, after being denied the right to sing at the Daughters of the American Revolution's Constitution Hall.

Since the first pioneering efforts of Florey and Chain in 1939, the importance of antibiotics, including antibacterials, to medicine has led to intense research into producing antibacterials at large scales.

The highest maximum temperature recorded in the ACT was 42. 8 ° C ( 109. 0 ° F ) at Acton on 11 January 1939.

His reputation grew in the USA following the critical reception of his design for the Finnish Pavilion at the 1939 New York World's Fair, described by Frank Lloyd Wright as a " work of genius ".

* 1939: Finnish Pavilion, at the 1939 New York World's Fair

In 1939 Grothendieck went to France and lived in various camps for displaced persons with his mother, first at the Camp de Rieucros, and subsequently lived for the remainder of the war in the village of Le Chambon-sur-Lignon, where he was sheltered and hidden in local boarding-houses or pensions.

* A GAME OF BOWLS ( 1939 ) ( archive film of a bowling match at the Whitevale and Kingswood Bowling Clubs, Glasgow-from the National Library of Scotland: SCOTTISH SCREEN ARCHIVE )

But in 1939, Robert Oppenheimer and others predicted that neutron stars above approximately three solar masses ( the Tolman – Oppenheimer – Volkoff limit ) would collapse into black holes for the reasons presented by Chandrasekhar, and concluded that no law of physics was likely to intervene and stop at least some stars from collapsing to black holes.

Many historians now hold the position that blitzkrieg was not a military theory, and the campaigns conducted by the German military in 1939 to circa, 1942 ( with the exception of Operation Barbarossa ) were improvised invasions put together and modified at the last moment and therefore was not a proper military strategy.

In fact Hitler intended to start an unlimited war, at a much later date than 1939.

A third paper, The Magic Comic, aimed at a slightly younger audience, followed in July 1939, but ceased publication in early 1941, due to paper rationing.

Gold, silver and garnet grave goods from the Anglo-Saxon ship burial at Sutton Hoo ( 1939 ) and late Roman silver tableware from Mildenhall, Suffolk ( 1946 ).

* Bloody Sunday ( 1939 ), aka Bromberg Bloody Sunday, a massacre in Bydgoszcz, Poland, at the onset of World War II

From 1938 to 1945, he held a succession of positions, first becoming senior history master at Blundell's School in Tiverton, Devon in 1938 ( and also a Captain in the school's OTC ), then instructor at the Royal Naval College, Dartmouth in 1939.

On a day in 1939, Sprinz had a blimp hover overhead at 800 feet, from which were to be dropped balls for him to catch.

The last horsed regiment of the Indian Army ( other than the Viceregal Bodyguard and some Indian States Forces regiments ) was the 19th King George's Own Lancers which had its last mounted parade at Rawalpindi on 28 October 1939.

While most armies still maintained cavalry units at the outbreak of World War II in 1939, significant mounted action was largely restricted to the Polish, Balkan and Soviet campaigns.

From 1935 to 1940 he lectured at the University of Rochester and wrote The Clinical Treatment of the Problem Child ( 1939 ), based on his experience in working with troubled children.

He died of lymphoma in Kensington, London, on 2 March 1939 at the age of 64 and his funeral was poorly attended.

The school leaving age was raised to 14 in 1901, but despite attempts to raise it to 15 this was only made law in 1939 and then postponed because of the outbreak of war.

* 1939 – Lina Medina becomes the youngest confirmed mother in medical history at the age of five.

While it was not a true ice age, the term was introduced into the scientific literature by François E. Matthes in 1939.

At age 22 he was elected president of the club and served in that office until 1939.

Kamenev, was executed on 15 July 1939, at the age of 33.

After being educated in France, England, Germany and Scotland, he joined the British Royal Navy at the age of 18 in 1939.

When Abby Rockefeller's son Nelson was selected by the board of trustees to become its flamboyant president in 1939, at the age of thirty, he became the prime instigator and funder of its publicity, acquisitions and subsequent expansion into new headquarters on 53rd Street.

Jean Reiter, Bizet's elder son, had a successful career as press director of Le Temps, became an Officer of the Legion of Honour, and died in 1939 at the age of 77.

* Ruth McGowan, half of the world-renowned husband / wife McGowan and Mack figure skating duo, which appeared with James Stewart and Joan Crawford in the motion picture The Ice Follies of 1939, was a resident of Forest Lake, and she died there in 2001 at the age of 92.

Former Township Committee member Frank Salvato, re-elected in 2008, served until his death in 2011 at the age of 98, having been first elected to the Committee in the 1938 and served as mayor in 1939, the township's youngest.

An unlikely break of the time barrier finds a commercial airliner sent back into the prehistoric age and then to New York City of 1939.

Mastroianni's first screen appearance was as an extra in the 1939 film Marionette at age 14.

In 1939, his daughter Bobbie died unexpectedly at age 30.

At the age of sixteen he began wearing a monocle – an unusual step for a young man even in 1939 – after an oculist told him his right eye was weaker than his left eye.

* Andrew Grimond ( 1939 – 1966 ), a sub-editor of The Scotsman, lived in Edinburgh until his suicide at the age of 26.

Watt joined the British Army at the age of 22 and served with distinction in World War II as an infantry lieutenant from 1939 to 1946.

His leadership in the new age of electronic media, the growth of executive agencies under the New Deal, his Brain Trust advisors, and the creation of the Executive Office of the President in 1939 led to a transformation of the presidency.

Colcord was in relatively good health at the time of his death on October 30, 1939, at the age of 100 in Carson City, Nevada.

In 1939, when World War II erupted, Korczak volunteered for duty in the Polish Army but was refused due to his age.

In 1939, the age restriction for entering Social Security was eliminated.

Some sources state that Petri nets were invented in August 1939 by Carl Adam Petri – at the age of 13 – for the purpose of describing chemical

Petri nets were invented in August 1939 by Carl Adam Petri – at the age of 13 – for the purpose of describing chemical

This law was first quantified in 1939, when researchers found that the one-year probability of death at advanced age asymptotically approaches a limit of 44 % for women and 54 % for men ..

In 1939, at the age of 19, O ' Hara secretly married Englishman George H. Brown, a film producer, production assistant and occasional scriptwriter whose best known work is the first of Margaret Rutherford's 1960s Miss Marple mysteries, Murder She Said.