Emotional maturity is the result of many factors, the principal ones being the experiences of the first few years of the child's life.

In their very first collages, Braque and Picasso draw or paint over and on the affixed paper or cloth, so that certain of the principal features of their subjects as depicted seem to thrust out into real, bas-relief space -- or to be about to do so -- while the rest of the subject remains imbedded in, or flat upon, the surface.

Naming the central ray passing through the entrance pupil the axis of the pencil or principal ray, it can be said: the rays of the pencil intersect, not in one point, but in two focal lines, which can be assumed to be at right angles to the principal ray ; of these, one lies in the plane containing the principal ray and the axis of the system, i. e. in the first principal section or meridional section, and the other at right angles to it, i. e. in the second principal section or sagittal section.

This ray, named by Abbe a principal ray ( not to be confused with the principal rays of the Gaussian theory ), passes through the center of the entrance pupil before the first refraction, and the center of the exit pupil after the last refraction.

Also in that year, she was made one of the visiting physicians of the East London Hospital for Children, becoming the first woman in Britain to be appointed to a medical post, but she found the duties of these two positions to be incompatible with her principal work in her private practice and the dispensary, as well as her role as a new mother, so she resigned from these posts by 1873.

In the United States, under DGA rules, directors receive a minimum of ten weeks after completion of principal photography to prepare their first cut.

The Christian groups first called " gnostic " a branch of Christianity, however Joseph Jacobs and Ludwig Blau ( Jewish Encyclopedia, 1911 ) note that much of the terminology employed is Jewish and note that this " proves at least that the principal elements of gnosticism were derived from Jewish speculation, while it does not preclude the possibility of new wine having been poured into old bottles.

In 1896, Booker T. Washington, the first principal and president of the Tuskegee Institute, invited Carver to head its Agriculture Department.

The " ground state ", i. e. the state of lowest energy, in which the electron is usually found, is the first one, the 1s state ( principal quantum level n

Notice that neither the square root nor the principal square root function is the inverse of x < sup > 2 </ sup > because the first is not single-valued, and the second returns-x when x is negative.

His principal translation embraced the first five books of Averroes ' " intermediate " commentary on Aristotle's Logic, consisting of the Introduction of Porphyry and the four books of Aristotle on the Categories, Interpretation, Syllogism, and Demonstration.

And when Pilate, at the suggestion of the principal men amongst us, condemned him to the cross, those that loved him at the first did not forsake him.

It was to be the first major city of the southern Baltic and, after 1282, a principal trading centre in the Hanseatic League.

It was the first permanent international organization whose principal mission was to maintain world peace.

The first are laterites where the principal ore minerals are nickeliferous limonite: ( Fe, Ni ) O ( OH ) and garnierite ( a hydrous nickel silicate ): ( Ni, Mg )< sub > 3 </ sub > Si < sub > 2 </ sub > O < sub > 5 </ sub >( OH )< sub > 4 </ sub >.

The violins are divided into two groups, first violin and second violin, each with its principal.

The principal first violin is called the concertmaster ( or " leader " in the UK ) and is considered the leader of not only the string section, but of the entire orchestra, subordinate only to the conductor.

Most sections also have an assistant principal ( or co-principal or associate principal ), or in the case of the first violins, an assistant concertmaster, who often plays a tutti part in addition to replacing the principal in his or her absence.

* 1927 – The Federal Industrial Institute for Women opens in Alderson, West Virginia, as the first women's federal prison in the United States.

Hill accepted a position as a visiting scholar at the Institute for the Study of Social Change at University of California, Berkeley in January 1997, but soon joined the faculty of Brandeis University — first at the Women's Studies Program, later moving to the Heller School for Social Policy and Management.

This sample was used to synthesize the element ununseptium for the first time in 2009 at the Joint Institute for Nuclear Research, Russia, after it was bombarded with calcium-48 ions for 150 days.

The first convincing synthesis was in 1981 by a German research team led by Peter Armbruster and Gottfried Münzenberg at the Gesellschaft für Schwerionenforschung ( Institute for Heavy Ion Research, GSI ) in Darmstadt using the Dubna reaction.

The synthesis of bohrium was first attempted in 1976 by scientists at the Joint Institute for Nuclear Research at Dubna using this cold fusion reaction.

The team at the Paul Scherrer Institute ( PSI ) in Bern, Switzerland later synthesized 6 atoms of < sup > 267 </ sup > Bh in the first definitive study of the chemistry of bohrium ( see below ).

The so-called shotgun sequencing technique ( which was used, for example, by The Institute for Genomic Research to sequence the first bacterial genome, Haemophilus influenzae ) does not produce entire chromosomes.

The first genome annotation software system was designed in 1995 by Dr. Owen White, who was part of the team at The Institute for Genomic Research that sequenced and analyzed the first genome of a free-living organism to be decoded, the bacterium Haemophilus influenzae.

" was shot on location at the California Institute of the Arts around the time the school first opened.

The Ministry also created the National Institute of Transit ( from the Spanish Instituto Nacional de Tránsito ), ( INTRA ) under the Transport and tariffs Directorate and was in charge of designing the first National roads plan with the support of many foreign multinational construction companies.

The members of the group met as mostly freshmen at Tuskegee Institute ( now Tuskegee University ) in 1968, and signed with Motown in November 1972, having first caught the public eye opening for The Jackson 5 while on tour.

It is one of the seven Millennium Prize Problems selected by the Clay Mathematics Institute to carry a US $ 1, 000, 000 prize for the first correct solution.

The term " Canadian English " is first attested in a speech by the Reverend A. Constable Geikie in an address to the Canadian Institute in 1857.

In 1930 she was elected a member of the National Institute of Arts and Letters ; in 1933 came membership in the American Academy of Arts and Letters, which two years later organized the first major retrospective of her work.

The first center for gender studies was opened within a newly formed Institute for the Socio − Economic Study of Human Population.

It is believed that the 8-bit AVR architecture and first AVR microcontroller was conceived and designed by two students at the Norwegian Institute of Technology.

The first permanent ARPANET link was established on November 21, 1969, between the IMP at UCLA and the IMP at the Stanford Research Institute.

In 1968, just before he published the first volume, Knuth accepted a job working on problems for the National Security Agency ( NSA ) through their FFRDC the Institute for Defense Analyses ( IDA ) Communications Research Division situated at the time on the Princeton campus in the Von Neumann building as stated in his cumulae vitae.

Dubnium was reportedly first discovered in 1968 at the Joint Institute for Nuclear Research at Dubna ( then in the Soviet Union ).

The Clay Mathematics Institute has offered a $ 1 million USD prize for the first correct proof, along with prizes for six other mathematical problems.

In 1900, Jones studied briefly at William Tilly's Marburg Language Institute in Germany where he was first introduced to phonetics.

In the same year, under Professor Charles Cross, the Massachusetts Institute of Technology began offering the first option of Electrical Engineering within a physics department.

In 1999, the Performance Management Association merged with the Project Management Institute ( PMI ) to become PMI ’ s first college, the College of Performance Management.

At age 24, Fermi took a professorship at the University of Rome ( one of the first three in theoretical physics in Italy ) which he won in a competition whose selection committee was chaired by Professor Orso Mario Corbino, director of the Institute of Physics.