During this precarious period of development the mother should continue to influence the growth of the child's conscience.

During the period from 1 July 1960 through 31 January 1961, additional research affiliations were effected with the U. S. Army Medical Research and Development Command to conduct research in procedures for quantitative electron microscopy, and for the study of biophysical and biological studies of the structure and function of ocular tissue.

During this period, a total of 762 exhibits were presented at 442 medical and scientific meetings.

During the period of this report, 37,470 new cases were entered into the various registries.

During this period, 7,827 teaching sets were distributed on loan.

During the period of this report, 63 panel exhibits depicting the latest developments in medical research were displayed.

During the period, the laboratory rendered centralized macropathological service to qualified requesters.

During the period from 1 July 1960 through 31 January 1961, the Medical Museum was required to move to Temporary Building `` S '' on the Mall from Chase Hall.

During the period of about 4 hours around sunset, skywave transmission conditions are building up until full nighttime conditions prevail ; ;

During the Civil War period Mr. Brown also invented the Brown & Sharpe formed tooth gear cutter, a basic invention which ultimately revolutionized the world's gear manufacturing industry by changing its basic economics.

During this period 7,484,268 members were received, yet the net membership now is only 9,910,741.

During the period of the Iberian Union ( 1580 – 1640 ), Portugal lost influence and power and made new enemies.

During the Romantic period, art came to be seen as " a special faculty of the human mind to be classified with religion and science ".< ref >

During the same period the Georgian states of Colchis and Tabal arose around the Black Sea and central Anatolia respectively.

During this same period, slave-holding border states had more free African-Americans and European immigrants than the lower South, which increased Southern fears that slavery was threatened with rapid extinction in this area.

During this period he published 18 plays and 3 novels, including the murder mystery The Red House Mystery ( 1922 ).

During this period winter sports were slowly introduced: in 1882 the first figure skating championship was held in St. Moritz, and downhill skiing became a trendy sport with English visitors early in the 20th century, as the first ski-lift was installed in 1908 above Grindelwald.

During the post-World War I period ski-lifts were built in Swiss and Austrian towns to accommodate winter visitors, but summer tourism continued to be important ; by the mid-20th century the popularity of downhill skiing increased greatly as it became more accessible and in the 1970s several new villages were built in France devoted almost exclusively to skiing, such a Les Menuires.

During the first 11 months of 2006, net imports grew by 21 percent to $ 1. 95 billion, while exports stood at $ 895 million, up 0. 3 percent from the same period in 2005.

During the first 11 months of 2006, the European Union remained Armenia's largest trading partner, accounting for 34. 4 percent of its $ 2. 85 billion commercial exchange during the 11-month period.

During January – February 2007, Armenia ’ s trade with Russia and other former Soviet republics was $ 205. 6 million ( double the amount from the same period the previous year ), making them the country ’ s number one trading partner.

During this period, spectator attendances dropped and media condemnation increased, but Simpson and Lawry flatly disregarded the public dissatisfaction.

During the Tokugawa period ( 1600 – 1868 ) the Ainu became increasingly involved in trade with Japanese who controlled the southern portion of the island that is now called Hokkaido.

During this period Agamemnon and his brother, Menelaus, took refuge with Tyndareus, King of Sparta.

During the Akkadian period, the Akkadian language became the lingua franca of the Middle East, and was officially used for administration, although the Sumerian language remained as a spoken and literary language.

During this time, the boy also studied calligraphy and Kendo swordsmanship.

During the summers of 1936 and 1937, Lerner studied at Juilliard.

During the sixth century, some of the most significant names in the history of Irish Christianity studied at the Clonard monastery.

During the 1980s, Allan Bromley, an associate professor at the University of Sydney, Australia, studied Babbage's original drawings for the Difference and Analytical Engines at the Science Museum library in London.

During his travels, Bacon studied language, statecraft, and civil law while performing routine diplomatic tasks.

During the Middle Ages, passages from the Sefer Yetzirah ( Book of Creation ) were studied as a means to attain the mystical ability to create and animate a golem, although there is little in the writings of Jewish mysticism that supports this belief.

During this period Ford also studied bookkeeping at Goldsmith, Bryant & Stratton Business College in Detroit.

During this period, Nehru also studied politics, economics, history and literature desultorily.

During his teens, Kurt studied Gabelsberger shorthand, Goethe's Theory of Colours and criticisms of Isaac Newton, and the writings of Immanuel Kant.

During 1933 – 34 he had a fellowship at Columbia University, where he studied statistics with renowned statistician and economist Harold Hotelling.

During that time, Maria studied both differential and integral calculus.

To eliminate any possible doubts, Nichiren decided to spend some time at Mount Kōya, the centre of esoteric Buddhism, and also in Nara, Japan ’ s ancient capital, where he studied the Ritsu sect, which emphasized strict monastic discipline and ordination. During this time, he became convinced of the pre-eminence of the Lotus Sutra and in 1253, returned to Seichoji.

During World War II, social psychologists studied persuasion and propaganda for the U. S. military

During this period he studied under, among others, Alexander Winkler, Anatoly Lyadov, Nikolai Tcherepnin and Nikolai Rimsky-Korsakov ( though when Rimsky-Korsakov died in 1908, Prokofiev noted that he had only studied orchestration with him ' after a fashion ' – that is, he was just one of many students in a heavily attended class — and regretted that he otherwise ' never had the opportunity to study with him ').

During this time, he also studied abroad at the University of Leeds in the United Kingdom.

During the Renaissance the dynamics of the Mechanical Powers, as the simple machines were called, began to be studied from the standpoint of how much useful work they could perform, leading eventually to the new concept of mechanical work.

During his graduate student years, he studied under Professor Gerald Estrin, worked in Professor Leonard Kleinrock's data packet networking group that connected the first two nodes of the ARPANet, the predecessor to the Internet, and " contributed to a host-to-host protocol " for the ARPANet.

During the late 1930s, Onsager researched the dipole theory of dielectrics, making improvements for another topic that had been studied by Peter Debye.

During the 1940s, Onsager studied the statistical-mechanical theory of phase transitions in solids, deriving a mathematically elegant theory which was enthusiastically received.

During the Cold War, electromagnetic hearing was clinically studied in the United States for applications including covert message transmission and use as a non-lethal weapon.

During that time he wrote liber amicorum, which is now studied by musicologists.

During his time with Boulanger he studied classical composition including counterpoint which was to play a key role in his later tango compositions.

During the summer semester of 1919, Fromm studied at the University of Heidelberg, where he switched from studying jurisprudence to sociology under Alfred Weber ( brother of the better known sociologist Max Weber ), the psychiatrist-philosopher Karl Jaspers, and Heinrich Rickert.

During his life Ravel studied the ability of each orchestral instrument carefully in order to determine its possible effects while being sensitive to individual color and timbre.