The linear combination of atomic orbitals or " LCAO " approximation for molecular orbitals was introduced in 1929 by Sir John Lennard-Jones.

* 1929 — Edwin Hubble demonstrates the linear redshift-distance relation and thus shows the expansion of the universe

It was under this challenging title that in 1913 the essay was translated into French and did not appear in German until 1929: " The evolution of culture marches with the elimination of ornament from useful objects ", Loos proclaimed, linking the optimistic sense of the linear and upward progress of cultures with the contemporary vogue for applying evolution to cultural contexts.

The problem was first formulated in 1929 by Sir Nevill Francis Mott and Werner Heisenberg, illustrating the paradox of the collapse of a spherically symmetric wave function into the linear tracks seen in a cloud chamber.

Railroad access to the west was by transfer steamers and ferry barges until a combination railroad-highway bridge was built in 1929.

The school's former building on East Walnut Avenue ( now East Sevier Avenue ) was a historic Rosenwald School, built in 1929 – 30 with a combination of funds from the city, private citizens and the Rosenwald Fund.

In the 1920s, the combination of the stock market crash and a devastating flood of the Emory River, both in 1929, wiped out much of the city's industry.

The combination of hills and high rainfall make Galloway ideal for hydroelectric power production, and the Galloway Hydro Power scheme was begun in 1929.

The United Aircraft and Transport Corporation was formed in 1929, when William Boeing of the Boeing firms teamed up with Frederick Rentschler of Pratt & Whitney to form a large, amalgamated firm, uniting business interests in all aspects of aviation — a combination of aircraft engine and airframe manufacturer and airline business, to serve all aviation markets, both civil aviation ( cargo, passenger, private, air mail ) and military aviation.

The Hiroshima University of Literature and Science was founded in 1929 as one of the national universities, and in combination with the Hiroshima School of Secondary Education which was formerly affiliated to it, reigned over the Japanese world of education.

The strip was an instant hit, possibly because of its combination of an appealing cast of characters with a unique look of art-nouveau splendor ... Before McManus died, in 1954, Bringing Up Father made him two fortunes ( the first was lost in the 1929 stock market crash ).

The British 1929 BSA was a three-wheel competitor to Morgan and the motorcycle combination market, the 1931 four-wheeler was very short-lived.

* Frederic Lazard vs Vera Menchik, Paris 1929, Bird Opening: From Gambit ( A02 ), 0 – 1 A nice combination in an open position leaves Lazard without a bishop.

Such a combination was actually very powerful for 1929, and indicates that Hill apparently understood the concepts of a meet-in-the-middle attack as well as confusion and diffusion.

From 1929 to 1931 he formed, with Tom Goddard, the most lethal bowling combination in county cricket, aided by the brilliant close fielding of Wally Hammond.

With Charlie Parker, he formed the most lethal bowling combination in county cricket, and, aided by the brilliant batting and catching of Wally Hammond, Gloucestershire had their most successful ( though brief ) era, finishing fourth in 1929, second in 1930 and second in 1931.

After the completion of the Barclay-Vesey Telephone Building, Walker designed several other buildings using its combination of asymmetrical setbacks and towers with art deco ornament, including the Salvation Army Headquarters ( 1929 – 30 ) on West 14th Street, the Irving Trust Bank at 1 Wall Street ( 1928 – 31 ), and several other telephone buildings throughout New York City and the state, including those in Syracuse and Rochester as well as the New Jersey Bell Headquarters Building.

The rights of the consignee under an air waybill are regulated by the Warsaw Convention for the Unification of Certain Rules for International Carriage by Air, 1929 and the Montreal Convention for the Unification of Certain Rules for International Carriage by Air 1999 and the relevant state laws ( which may be one law chosen as the proper law by the parties, or any combination of laws representing the seller, buyer, consignor, and carrier.

At the time ice cream had limited flavors such as vanilla, chocolate and strawberry, but Rocky Road, introduced in 1929, was one of the first combination of flavors.

He measured a spectrum of dinitrogen in 1929 which provided the first experimental evidence that the atomic nucleus is not composed of protons and electrons, as was incorrectly believed at the time.

The discovery of isotopic oxygen in 1929 led to a divergence in atomic weight representation, with isotopically weighted oxygen ( i. e., naturally occurring oxygen atomic weight ) given a value of exactly 16 atomic mass units ( amu ) in chemistry, while pure < sup > 16 </ sup > O ( oxygen-16 ) was given the mass value of exactly 16 amu in physics.

* The first was commissioned in 1929, and saw much action in World War II before being used in atomic bomb tests in 1946.

Only two years later, he graduated in astronomy and atomic physics, and during the following two years, he completed a doctoral degree, which was evaluated with the best marks in December 1929, when he was 21 years old.

His work first came to prominence in physics when in 1929 with Dmitry Ivanenko he published a paper demonstrating that atomic nuclei could not be made from protons and electrons.

Charlotte Froese Fischer PhD ( b. 1929 ) is a Canadian-American applied mathematician and computer scientist who gained world recognition for the development and implementation of the Multi-configurational Hartree-Fock ( MCHF ) approach to atomic structure calculations and for her theoretical prediction concerning the existence of the negative calcium ion ( Physical Review Letters, vol.

In the original 1929 formulation by Mott and Heisenberg, the spherical wave function of an alpha ray emitted from the decay of a radioactive atomic nucleus was considered.

* 1929 Paper introduces the Linear Combination of Atomic Orbitals approximation for molecular orbitals

On Stern's advice, Rabi wrote a letter about his results to Nature, which published it in February 1929, followed by a paper entitled Zur Methode der Ablenkung von Molekularstrahlen (" On the method of deflection of molecular beams ") to Zeitschrift für Physik, where it was published in April.

According to German physicist and physical chemist Erich Hückel, the first quantitative use of molecular orbital theory was the 1929 paper of Lennard-Jones.

Dr. Franklin William Stahl ( born October 6, 1929 ) is an American molecular biologist.

The old Morse system was replaced locally by the Simplex modern automatic method in 1929, when Ellamae Heckman ( Wilcox ) was manager of the Western Union office.

Following the stock market crash of 1929, discounted cash flow analysis gained popularity as a valuation method for stocks.

Again Dr. Samuel Orton, a neuropathologist in Iowa in 1929 sought the cause of children's reading problems and concluded that their problems were being caused by the new sight method of teaching reading.

Though Herschel reportedly never tested these ideas, they were both later advanced by several independent inventors such as Hungarian Dr. Dallos with Istvan Komàromy ( 1929 ), perfected a method of making molds from living eyes.

Username and password authentication ( method 0x02 ) is described in RFC 1929:

Jacobson ( 1930 ) developed hardware to measure EMG voltages over time, showed that cognitive activity ( like imagery ) affects EMG levels, introduced the deep relaxation method Progressive Relaxation, and wrote Progressive Relaxation ( 1929 ) and You Must Relax ( 1934 ).

A soccer injury in 1929 would later figure into the development of his method.

* Constitution ( Amendment No. 11 ) Act ( 17 December 1929 ): This amendment altered the method for the filling of premature vacancies in the Senate.

; Ph. D., Tulane, 1929, faculty ( 1927 – 30 ), pioneer in hematology developing method for hematocrit and sedimentation rate measurement and Wintrobe indices ( MCV, MCH, MCHC ) while at Tulane.

A somewhat harsh method that used suppositories to put the baby on a strict schedule of bowel movements was advocated in 1929 and 1935.

He had little time to work on the problem further until the 1920s, when he worked with Adolf Busemann and created a method for designing a supersonic nozzle in 1929.

The Reapportionment Act of 1929 established a method for reallocating seats among the states, given population shifts and the maximum of 435 representatives.

Geoffrey H. Hartman ( born 1929 ) is a German-born American literary theorist, sometimes identified with the Yale School of deconstruction, but also has written on a wide range of subjects, and cannot be categorized by a single school or method.