As the chemical properties of the elements were known to largely repeat themselves according to the periodic law, in 1919 the American chemist Irving Langmuir suggested that this could be explained if the electrons in an atom were connected or clustered in some manner.

* 1919 – William Lipscomb, American chemist, Nobel laureate ( d. 2011 )

* 1832 – William Crookes, English physicist and chemist ( d. 1919 )

* 1852 – Hermann Emil Fischer, German chemist, Nobel Prize laureate ( d. 1919 )

The term was first used by organic chemist Ludwig Brieger ( 1849 – 1919 ).

Sir William Crookes, OM, FRS ( 17 June 1832 – 4 April 1919 ) was a British chemist and physicist who attended the Royal College of Chemistry, London, and worked on spectroscopy.

In 1919, Ernst Späth, another German chemist, synthesised the drug.

* June 17 – Donald J. Cram, American chemist, Nobel Prize laureate ( b. 1919 )

* December 12 – Alfred Werner, German chemist, Nobel Prize laureate ( d. 1919 )

* October 9 – Hermann Emil Fischer, German chemist, Nobel Prize laureate ( d. 1919 )

* June 17 – Sir William Crookes, English chemist and physicist ( d. 1919 )

* J. Paul Hogan ( 1919 – 2012 ), American chemist ( plastics inventor )

* Bernard Pullman ( 1919 – 1996 ), theoretical and quantum chemist, husband of Alberte

They included chemist and physicist William Crookes ( 1832 – 1919 ), evolutionary biologist Alfred Russel Wallace ( 1823 – 1913 ) and Nobel-laureate physiologist Charles Richet.

In 1919, Javakhishvili succeeded the noted chemist Petre Melikishvili as the second rector of the university: he served until June 1926, when, in the aftermath of anti-Soviet August Uprising of 1924, tolerance of non-Marxist intellectuals began to contract.

* Hermann Emil Fischer ( 1852 – 1919 ), German chemist, 1902 Nobel prizewiner, and inventor of the Fischer projection

* Assistant chemist for General Chemical Company ( 1902 – 1908, 1914 – 1919 )

Donald James Cram ( April 22, 1919 – June 17, 2001 ) was an American chemist who shared the 1987 Nobel Prize in Chemistry with Jean-Marie Lehn and Charles J. Pedersen " for their development and use of molecules with structure-specific interactions of high selectivity.

* Yuri Zhdanov ( 1919 – 2006 ), Russian chemist, rector of Rostov State University from 1957 to 1988 ; son of Andrei Zhdanov and former husband of Svetlana Alliluyeva

Alfred Werner ( December 12, 1866-November 15, 1919 ) was a Swiss chemist who was a student at ETH Zurich and a professor at the University of Zurich.

* Ralph Pearson, ( born 1919 ), physical inorganic chemist.

* J. Paul Hogan ( 1919 – 2012 ), American chemist, inventor of polyethylene

Abraham ( Abe ) Savitzky ( New York City, May 29, 1919 – Neaples, FL, February 5, 1999 ) was an American analytical chemist.

* Mikhail Schultz ( 1919 – 2006 ), Soviet / Russian physical chemist, artist ( correct transcription ; see also Shultz )

The term " covalence " in regard to bonding was first used in 1919 by Irving Langmuir in a Journal of the American Chemical Society article entitled " The Arrangement of Electrons in Atoms and Molecules ".

In 1919 Irving Babbitt, founder of a movement called the " New Humanism ", wrote a critique of what he called " sentimental humanitarianism ", for which he blamed Rousseau.

In 1919 Irving Langmuir refined these concepts further and renamed them the " cubical octet atom " and " octet theory ".

His elder son, Harry Brodribb Irving ( 1870 – 1919 ), usually known as " H B Irving ", became a famous actor and later a theatre manager.

No, No, Nanette is a musical comedy with lyrics by Irving Caesar and Otto Harbach, music by Vincent Youmans, and a book by Otto Harbach and Frank Mandel, based on Mandel's 1919 Broadway play My Lady Friends.

Australian painter Ambrose Patterson arrived in 1919 ; over the next few decades Mark Tobey, Morris Graves, Kenneth Callahan, Guy Irving Anderson, and Paul Horiuchi would establish themselves as nationally and internationally known artists.

Australian painter Ambrose Patterson arrived in 1919 ; over the next few decades Mark Tobey, Morris Graves, Kenneth Callahan, Guy Irving Anderson, and Paul Horiuchi would establish themselves as nationally and internationally known artists.

It was further developed in 1919 by Irving Langmuir as the cubical octet atom.

Irving T. Bush gained approval for his plans for the building in 1919, which was planned as a major new trade centre and designed by American architect Harvey Wiley Corbett.

* Irving Kriesberg ( 1919 – 2009 )

On April 10, 1946, Irving Fiske ( born Irving Fishman in Brooklyn, New York, on March 5, 1908 ), a playwright, inventor, freelance writer, and speaker, and his wife, Barbara Hall Fiske, ( born Isabelle Daniel Hall in Tucson, Arizona on September 9, 1919 ), an artist and one of the few female cartoonists of the World War II era, bought of mountain, meadow, and brook land in Rochester, Vermont.

But by 1919, when Fletcher, 69, died of bronchitis, his diet plan was already being replaced by the next approach to dieting championed by Irving Fisher and Eugene Lyman Fisk: counting calories.

( Hilda Doolittle ) also wrote a poem called " Leda " in 1919, suggested to be from the perspective of Leda.

In 1919, the political theorist of the National Socialist movement in Germany, Dietrich Eckart, attacked Steiner and suggested that he was a Jew.

The centrifugal separation of isotopes was first suggested by Aston and Lindemann in 1919 and the first successful experiments were reported by Beams and Haynes on isotopes of chlorine in 1936.

They commissioned Sir John Wolfe-Barry, Lyster and Partners to produce a report in 1919, and from the optins suggested, chose to promote one of them.

The Mensheviks opposed war communism and in 1919 suggested an alternative programme.

A sign of the future tendencies in diplomatic history occurred in 1939 with the publication of the British historian E. H. Carr's book The Twenty Years ' Crisis which suggested that it was a flawed peace settlement in 1919 instead of the decisions of individual leaders that caused the problems of interwar Europe.

Otto Messmer gave two different versions of how Felix got his name, the one on his official site ” Rejoining Sullivan with a great idea for a new character named Felix the Cat, and the second that ” Mr. ( John ) King of Paramount Magazine suggested the name " Felix ", after the Latin words felis ( cat ) and felix ( lucky ), which was used for the third film, The Adventures of Felix ( released on 14 December 1919 ).

The idea for a Remembrance Day silence was first suggested by Australian journalist Edward George Honey in a letter to The Times in May 1919.

Whereas J ' accuse in 1919 suggested Gance's pacifist and anti-establishment attitude, the reactions to Napoléon in 1927 saw greater ambivalence, and some commentators even judged it to be an apologia for dictatorship.

It is also suggested that Mr. Baum died ( May 6, 1919 ) before this book was finished.

In the interbellum Poland, the term Kresy roughly equated with the lands beyond the Curzon Line, suggested in December 1919 by the British Foreign Office as the eastern border for Poland.

William J. Flynn, Director of the BOI, suggested the flyers were similar to those found at the June 1919 anarchist bombings.

In 1919, before the exact boundaries of the Polish-German border were determined, he suggested restoring West Prussia to Germany.

After the war, the Royal Air Force dropped mustard gas on Bolshevik troops in 1919, and Winston Churchill, secretary of state for war and air, suggested that the RAF use it in Iraq in 1920 during a major revolt there.

In September 1919, the Commander-in-Chief, Ireland, Sir Frederick Shaw suggested that the police force in Ireland be expanded via the recruitment of a special force of volunteer British ex-servicemen.

In 1919 Myers suggested that membership should be opened up to " all those interested in various branches of psychology ".

In 1919, he suggested to his colleagues that they pay attention to Mustafa Kemal and said " This Kemal will bother us a lot ".

The Twenty-one Conditions, officially the Conditions of Admission to the Communist International, refer to the conditions, most of whom suggested by Vladimir Lenin, to the adhesion of the socialist parties to the Third International ( Comintern ) created in 1919.

Carlos claimed that he made his first mouthpiece in 1916 and later suggested his invention to the United States Olympian, Dinnie O ’ Keefe, in 1919.

At least one publication, To Every Thing A Season by Bruce Kuklick, has suggested other factors that might have contributed to the sweep, noting that some of the A's may have been irritated at the penny-pinching ways of their manager / owner Connie Mack and thus did not play hard, and also noting the heavy wagering against Philadelphia placed by entertainer George M. Cohan through bookmaker Sport Sullivan, who was also implicated in the 1919 Black Sox scandal.

After the airing of the Australian Broadcasting Commission's Rewind episode on the dispute in 2004, supporters of Pat Sullivan have suggested that his 1917 film called The Tail of Thomas the Kat ( 3Mar17 MP866 ) might be a prototype Felix, and have demonstrated that the handwriting in Feline Follies, the 1919 film that triggered the Felix series, was Sullivan's rather than Messmer's.

However, his successor, Rainier III, still claimed it, possibly in the belief, as suggested by François Velde, that it was " implicitly recreated for Charlotte by the French Republic in 1919 when her adoption was approved ".

After the war, conditions for manufacturers were difficult, and in 1919 Siddeley suggested a merger with Sir W G Armstrong Whitworth & Co Limited Motor Car Department.