By the time they reach that age, however, Aristotle no longer worries about the evil influence of comedies.

By ancient common law it might be required of all persons above the age of 12, and it was repeatedly used as a test for the disaffected.

By age 8, those who were signing as babies scored an average of twelve points higher on the WISC-III IQ test.

By age three, however, her mother changed her name to Elizabeth Sewall Alcott, after her own mother.

By the age of twenty, Ferdinando I, Duke of Mantua, began commissioning works from him, and he was also employed by local jewelers for figurative designs.

By the help of these discoveries, Angle civilization in the age preceding the invasion of Britannia can be fitted together.

By age 19, Diabelli had already composed several important compositions, including six masses.

By the time of his relatively early death at the age of 51, Erlang created the field of telephone networks analysis.

By the age of 64 after forty years imprisonment ` Abdu ’ l-Bahá was freed by the Young Turks and he and his family began to live in relative safety.

By age 32, Fuller was bankrupt and jobless, living in public, low-income housing in Chicago, Illinois.

By age twenty, she had met and befriended the important, and pivotal, landscape painter of the Barbizon School, Camille Corot, who excelled in figure painting as well.

By the age of four, he was able to play 40 pieces on the piano ; his mother began formally teaching him the next year.

By age 13 Chaplin had fully abandoned education.

By the time Mozart arrived at age 25, in 1781, the dominant styles of Vienna were recognizably connected to the emergence in the 1750s of the early Classical style.

By conceiving a timeless setting — " a vanished age " — and by carefully choosing names that resembled human history, Howard shrewdly avoided the problem of historical anachronisms and the need for lengthy exposition.

By the early 940s Constantine was an old man, perhaps more than 70 years of age.

By 1 July 1933 there were 1, 463 working camps with 250, 000 junior enrollees ( 18 – 25 years of age ), 28, 000 veterans, 14, 000 American Indians, and 25, 000 Locally Enrolled ( or Experienced ) Men ( LEM ).

By the age of Augustus, poets like Virgil closely adhered to the rules of the meter and approached it in a highly rhetorical way, looking for effects that can be exploited in skilled recitation.

By age nine, she was appearing on The Cas Walker Show on both WIVK Radio and WBIR-TV in Knoxville, Tennessee.

By age 16 he had bought his first guitar ( a Harmony acoustic archtop with a sunburst finish ) and begun making contacts in the music business, becoming friends with folk singer Erik Darling, a latter-day member of the Weavers.

By the age of seven, Plato began doing television commercials, reportedly appearing in over 100 spots for companies as diverse as Kentucky Fried Chicken, Dole, and Atlantic Richfield.

By the time Dewey moved to Chicago at the age of thirty-five, he had already published two books on psychology and applied psychology.

By 1952, at the age of 55, Capra effectively retired from Hollywood filmmaking and spent his later years working with Caltech, his alma mater, to produce educational films on science topics.

By the early 20th century, radiometric dating allowed the Earth's age to be estimated at two billion years.

By September 1940 the Suite had developed into a collection of six songs, `` four spirituals, a dream, and a lullaby ''.

By July 1, six weeks from now, motel-keepers all over the nation will, by 6 p.m., be switching on that bleak -- to motorists -- sign, `` No Vacancy ''.

By comparison the Harvard Mark I could perform the same task in just six seconds.

By the turn of the 20th century, it had grown customary to abbreviate the name violoncello to ' cello, with the apostrophe indicating the six missing prefix letters.

( By six weeks in the human embryo ) the prosencephalon then divides further into the telencephalon and diencephalon ; and the rhombencephalon divides into the metencephalon and myelencephalon.

By 2011, nearly six of ten full-time undergraduates qualified for a tuition-free education at CUNY due in large measure to state, federal and CUNY financial aid programs.

By four to six years, chimps are weaned and infancy ends.

By the autumn of 1950, financial problems had developed, and by November 1950, the six Foundations had spent around one million dollars and were more than $ 200, 000 in debt.

By February 2006, six hundred remained in custody, facing trial in March.

By 1931, Curtiz had already been in Hollywood for half a decade, making as many as six films a year.

By the outbreak of World War II in autumn 1939, there were six camps housing some 27, 000 inmates.

By the end of the war, at least 5. 5 million Jews had been killed by the Nazi regime ; most estimates range closer to six million.

By summer 1541, Strasbourg decided to loan Calvin to Geneva for six months.

By that time, the show's name became Transitions, which was also the name of a four-volume series of mix albums by Digweed released every six months during 2006-2008.

By 1996, Kemp had been named a director of six corporate boards.

By 1913 there were four planes, now including a British Sopwith and long term plans to create six naval air stations by 1918.

By 2008 there were at least six institutions monitoring lake water health: 1 ) In 2002 the Conservation Law Foundation appointed a " lakekeeper " who criticizes the state's pollution controls, 2 ) Friends of Missisquoi Bay was formed in 2003, 3 ) the Lake Champlain Committee, 4 ) Vermont Water Resources Board

# By self knowledge to further the acceptance of the idea of the Celtic character of Cornwall, one of the six Celtic nations.

By 1921, small groups of Marxists existed in six Chinese cities: Shanghai, Peking, Changsha, Wuhan, Canton and Tsinan, with a further group having been founded by Chinese students in Paris.

By the end of the day of the bombing, twenty were confirmed dead, including six children, and over one hundred injured.

By 2005 these three had been joined by six other major airlines: Hainan Airlines, Shanghai Airlines, Shandong Airlines, Xiamen Airlines, Shenzhen Airlines, and Sichuan Airlines.

By 1740 the production of gin had increased to six times that of beer and because of its cheapness it became popular with the poor, leading to the so-called Gin Craze.

By early July of 2012, however, it was announced that the canal expansion project had fallen six months behind schedule, leading the expansion to open in April 2015 rather than October 2014, as originally planned.