Now a quiet-spoken, middle-aged man, Fiedler is an aeronautical engineer for Lockheed's Missiles and Space Division at Sunnyvale, where he played a key role in the development of the Navy's Polaris missile.

The defection of the commander of the Byzantine navy, megas doux Andronikos Kontostephanos, and the general Andronikos Angelos, played a key role in allowing the rebellious forces to enter Constantinople.

Celsius ' participation in the Lapland expedition won him much respect in Sweden with the government and his peers, and played a key role in generating interest from the Swedish authorities in donating the resources required to construct a new modern observatory in Uppsala.

After moving to Sarov in 1950, Sakharov played a key role in the development of the first megaton-range Soviet hydrogen bomb using a design known as " Sakharov's Third Idea " in Russia and the Teller-Ulam design in the United States.

The city's appearance today is predominantly shaped by the key role it played in Germany's history in the 20th century.

The introduction also employs the use of the mediant to tonic relationship which further distorts the tonic key until it is finally played by the bassoon in the lowest possible register.

Keshav Thackeray was a progressive social activist and writer who was against caste biases and played a key role in the Samyukta Maharashtra Chalwal ( literally, United Maharashtra Movement ) in the 1950s to form the Marathi-speaking state of Maharashtra with Mumbai as its capital.

Several components that eventually played a key role in the development of the automobile were invented for the bicycle, including ball bearings, pneumatic tires, chain-driven sprockets, and tension-spoked wheels.

The iconic image of Big Brother ( played by David Graham ) played a key role in Apple's 1984 television commercial introducing the Macintosh.

In two, The Flame and the Arrow and The Crimson Pirate, a friend from his circus years, Nick Cravat, played a key supporting role, and both actors impressed audiences with their acrobatic prowess.

Cuban forces played a key role in the Ogaden War 1977 / 78 between Ethiopia and Somalia and kept a substantial garrison stationed in Ethiopia.

It was especially important for preserving in its libraries manuscripts of Greek and Latin authors throughout a period when instability and disorder caused their mass-destruction in western Europe and north Africa: On the city's fall, thousands of these were brought by refugees to Italy, and played a key part in stimulating the Renaissance, and the transition to the modern world.

The American Institute of Chemical Engineers ( AIChE ), established in 1908, played a key role in making chemical engineering considered an independent science, and unit operations central to chemical engineering.

However, during the era of segregation many Southern Democrats were conservatives, and they played a key role in the Conservative Coalition that controlled Congress from 1937 to 1963.

Thelma Barlow, who played Derek's wife Mavis, was angered by the sacking of her co-star and resigned, while the production team also lost some of its key writers when Barry Hill, Adele Rose and Julian Roach all resigned.

Concepts of centripetal and centrifugal force played a key early role in establishing the set of inertial frames of reference and the significance of fictitious forces, even aiding in the development of general relativity in which gravity itself becomes a fictitious force.

In 1991 and 2000, Djibouti played a key role in the search for peace in Somalia by hosting Somali Reconciliation Conferences.

Historically, utilization of forest products, including timber and fuel wood, has played a key role in human societies, comparable to the roles of water and cultivable land.

Similar versions of the game are played, using the same premise, but using a different ' key word '.

The attacks played a key role in forcing an armistice but brought an angry rebuke from King Amanullah.

Thompson played a key role in the first New Left in Britain in the late 1950s.

Thompson played a key role in both END and CND throughout the 1980s, speaking at innumerable public meetings, corresponding with hundreds of fellow activists and sympathetic intellectuals, and doing more than his fair share of committee work.

Sheedy played a key role in Richmond's premiership sides of the mid-70s.

For lawyers, reflecting perhaps their parochial preferences, there has been a special fascination since then in the role played by the Supreme Court in that transformation -- the manner in which its decisions altered in `` the switch in time that saved nine '', President Roosevelt's ill-starred but in effect victorious `` Court-packing plan '', the imprimatur of judicial approval that was finally placed upon social legislation.

The active sponsor of Jefferson's measure for religious liberty in Virginia, Madison played the most influential single role in the drafting of the Constitution and in securing its ratification in Virginia, founded the first political party in American history, and, as Jefferson's Secretary of State and his successor in the Presidency, guided the nation through the troubled years of our second war with Britain.

He played the leading role in negotiating the treaty with Great Britain that ended the Revolution, and directed America's foreign affairs throughout the Confederation period.

To perpetuate wealth control led by small groups of individuals who played no role in its creation prevents those with real initiative from coming to the fore, and is basically anti-democratic.

It was here that the terror-stricken Dennis Moon played an unrehearsed role during the children's party.

At the end of work one day, the personnel man took the applicants one at a time, asked them to sit behind the receptionist's desk and he then played the role of a number of people who might come to the receptionist with a number of queries and for a number of purposes.

She was hired and was found to be entirely satisfactory when she played the role eight hours a day.

And the authors give numerous instances of calculated guessing on the patient's part to show how large a role it played in his process of readapting himself and how proficient he became at it.

Greek Christian scribes played a crucial role in the preservation of Aristotle by copying all the extant Greek language manuscripts of the corpus.

In order to prepare the role of an important old actress, a theatre student interviews three actresses who were her pupils: an international diva ( Glòria Marc, played by Núria Espert ), a television star ( Assumpta Roca, played by Rosa Maria Sardà ) and a dubbing director ( Maria Caminal, played by Anna Lizaran ).

Transatlantic travel played a major role in the expansion of Western civilization into the Americas.

As of 2007, economic relations played " a fundamental role in the bilateral relations between the two governments ".

In the past and present, amateur astronomers have played a major role in discovering new comets.

Joan Hickson played the lead role.

Astronomy certainly played an important role in Chaco culture, as it is visible in the north-south axis alignment of many ceremonial structures.

Azerbaijan is an economy that has completed its post-Soviet transition into a major oil based economy ( with the completion of the Baku-Tbilisi-Ceyhan Pipeline ), from one where the state played the major role.

In the early 1990s, the latter group blamed Armenia's economic woes on the role played by the former in closing major industries.

The formal study of architecture in academic institutions played a pivotal role in the development of the profession as a whole, serving as a focal point for advances in architectural technology and theory.

The afterlife played an important role in Ancient Egyptian religion, and its belief system is one of the earliest known.

The river played an important role in the growth of the economy in the region during the 19th century as a source of transportation of goods.

Aachen was the administrative centre for the coal-mining industries in neighbouring places to the northeast ; it never played any role in brown coal mining, however, neither in administrative or industrial terms.

But now the evidence of Tell Leilan, and recent findings of elevated dust deposits in sea-cores collected off Oman, that date to the period of Akkad's collapse suggest that this climate change may have played a role.