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## Abu, Kamil Shuja

Egyptian Muslim mathematician, also known as al-Hasib al-Misri, the Egyptian Calculator (or Reckoner). His full name was Abu Kamil Shujaʿ ibn Aslam ibn Muhammad ibn Shuja. Very few biographical details are known concerning Abu Kamil, but his productive peak appears to have been at the end of the ninth century. The year of his birth and the year of his death are known with a decent degree of certainty as he is known to have died before al-Imrani (who died in 955) but to have lived well beyond al-Khwarizmi (who died in 850). A direct successor in the development of algebra to al-Khwarizmi, his texts on algebraic theory helped to form the groundwork for later mathematicians, including al-Karaji. Fibonacci would later adopt his mathematical techniques.

Abu Kamil worked to perfect many of al Khwarizmi s algebraic methods including work with the multiplication and division of algebraic objects and the addition ...

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Abu Nasr Muhammad ibn al-Farakh al-Farabi, or Muhammad ibn Muhammad ibn Tarkhan ibn Uzalagh al-Farabi, was born in 870 c.e in Kazakhstan or Persia or Afghanistan Also known in the West as Alpharabius he is considered by many to be the greatest philosopher scientist and musicologist of his era and perhaps one of the greatest Muslim philosophers in all of history As a political philosopher al Farabi sought out answers to many of the most difficult questions facing the Islamic world during his lifetime He questioned the relations between humankind and God the role of the intermediary the influence of the divine law in private life and the limitations of the human mind He went beyond the divine law and searched for humankind s place in the universe and our relationship with nature society and the divine law He inquired about the different types of political institutions ...

## Albright, Arthur

Chemist and phosphorus manufacturer, well known for his philanthropic views, born on 3 March 1811 in Charlbury, Oxfordshire, into a Quaker family. He was the son of William Albright and Rachel Tanner. In 1842 he joined the firm of John and Edward Sturge, manufacturing chemists in Birmingham. He was responsible for the development of Anton Schrotter's (1802–75) method of producing red phosphorus, important for the use of safety matches. This interest grew out of a concern for the health of match workers. In 1854 Albright took over a phosphorus plant previously belonging to the Sturge brothers, in Oldbury, Worcestershire. In 1856 he went into partnership with J. W. Wilson. Their firm survived until the middle of the 20th century.

Throughout his life Albright travelled in Europe Egypt and the United States seeking new sources of raw materials and trying to expand his export trade ...

## Allen, Thomas Cox

aviation mechanic and pilot, was born in Quitman, Wood County, Texas, the youngest of three children; both of his parents were teachers. Allen's father died when Thomas was three months old. His mother, Polly, continued to teach school and to run the family farm.

Allen became interested in flying in 1918, when an airplane made a forced landing in a pasture. The pilots paid the two young Allen brothers to guard the plane overnight so that its fabric and glue would not be eaten by cows. From this experience, Thomas Allen decided to become either an aviator or a mechanic.

In 1919 when Allen was twelve the family moved to Oklahoma City where his mother resumed teaching school Allen often bicycled to a nearby airfield In his teens he persuaded the field owner to take a $100 saxophone as partial trade for flying lessons He worked off the ... ### Article ## Azeredo, Albuino Albuino Azaredo was elected governor of Brazil's state of Espírito Santo (1991–1995). An Afro-Brazilian engineer and successful businessman, Albuino, along with Alceu Collares of the state of Rio Grande do Sul, became one of the first black governors to be elected in Brazil. Azeredo ran for governor of Espírito Santo as a member of the Democratic Labor Party (PDT). Election patterns have not indicated that voters in Brazil vote along racial lines, but the PDT has an active and militant tradition of speaking about racial issues as part of its political platform. In 1982, for example, its electoral campaign emphasized its commitment to the black population. In addition, influential black leaders have been prominent members of the PDT, including famous black activist Abdias do Nasciamento. Espírito Santo's Afro-Brazilian population makes up around half of the state's voters. Azeredo did not base his 1991 campaign ... ### Article ## Baikie, William Balfour Scottish explorer, naturalist, surgeon, and philologist who opened up the Niger region to European trade and influence, was born in Kirkwall, Scotland, the eldest son of a Royal Navy captain, John Baikie. He was educated for a time at Kirkwall Grammar School in Orkney, but mainly privately, in company with his cousins. He gained a medical degree from Edinburgh University, where he also developed his interest in natural history. In 1848, together with Robert Heddie, he wrote the first part of a published study of the natural history of Orkney, Historia naturalis Orcadensis. In the same year he joined the Royal Navy as an assistant surgeon, serving on no less than five different ships in the Mediterranean before being appointed in the same capacity to Haslar Hospital, Portsmouth, from 1851 to 1854. It was from here in 1854 that through the patronage of the influential Sir Roderick ... ### Article ## Banneker, Benjamin Benjamin Banneker was born 9 November 1731in Baltimore County, Maryland, the first child of free African American parents Mary Banneker and Robert, a former slave whose freedom she had purchased and who took her surname upon marriage. Growing up on their tobacco farm, Benjamin received little formal schooling, learning to read and write from his grandmother and attending for several seasons an interracial school where he first developed his lifelong interest in mathematics. Following his parents’ deaths and three sisters’ departures from home, Banneker remained on the farm, working the crops and cultivating his intellect in relative seclusion. In 1771, he befriended George Ellicott a Quaker neighbor whose family had developed a large complex of mills on the adjoining property With astronomical texts and instruments borrowed from Ellicott he trained himself to calculate ephemerides tables establishing the positioning of the sun moon and stars for each day ... ### Article ## Barker, Prince Patanilla neuropsychiatrist specializing in the biological basis of mental disorders, was born in Bridgetown, Barbados, to Prince Barker and Brunetta (Watson) Barker. As a young teen he immigrated to New York City on the ship Guiana, arriving on 11 September 1911. His mother, who immigrated to New York in 1912, was at the time of the 1920 U.S. Census a fifty‐year‐old widow and private duty laundry worker. Prince Patanilla Barker graduated from the Bronx's DeWitt Clinton High School in 1915 and earned his B.A. from the City College of New York in 1918. After one year at Cornell University Medical College, Barker transferred to Howard University in Washington, D.C., earning his M.D. in 1923. That year he wed Helen L. Furlonge (3 May 1892–19 February 1978 an immigrant from Montserrat Barker interned at Freedmen s Hospital Washington D C and conducted further postgraduate work ... ### Article ## Baumann, Oscar cartographer, ethnographer, and traveler to Africa, was born in Vienna, then capital of the Austro-Hungarian Empire, the son of Heinrich Baumann, who worked at a bank, and a mother, whose name is not recorded. His family had some Jewish ancestry, which would in 1938 prompt the Nazi government of Austria to destroy a monument erected to celebrate his African exploration. Though his parents do not seem to have been very prosperous, his distant relations in the wealthy von Arnstein banking family paid for his secondary education. Baumann attended primary and secondary schools in Vienna, and at the age of seventeen, joined the Imperial Royal Geographical Society based in the same city. He did some geographical research in Montenegro and began to study geography and geology at the University of Vienna, but in 1885 took a leave of absence from school to join an Austrian expedition to Central ... ### Article ## Benneh, George Professor Emeritus of Geography and Resource Development, University of Ghana, received his elementary education at Berekum Catholic Primary School from 1941 to 1949 and continued to Achimota Secondary School for the period of 1950 to1956. In 1957, he was one of four students who won the Shell Ghana Independence Scholarship and was subsequently admitted into the University College of Ghana in October of the same year to study for a bachelor’s degree in geography. Upon completion of his degree program, he taught geography briefly at the Achimota School, and in October 1961 he left for the London School of Economics to pursue his postgraduate education. Benneh obtained his Doctor of Philosophy (PhD) in 1964. In 1964 he was appointed lecturer in the Department of Geography at the University of Ghana. He became a senior lecturer in 1973, an associate professor in 1976 and a full professor ... ### Article ## Bishop, Stephen slave and guide, achieved fame in the decades preceding the Civil War. Nothing is known of his parents or early life, but it is known that Bishop was a slave belonging to Kentucky lawyer Franklin Gorin, who in the 1830s purchased Mammoth Cave for$5,000. Previous cave guides had been local white men, but Gorin either saw something promising in the teenaged Bishop or reasoned that he could save money by training a slave to do the same work. Either way, beginning in the spring of 1838 Bishop received training from the previous guide and quickly took to the job, learning the several miles of trail and numerous pits, rock formations, and other attractions of his underground place of employment.

Bishop was allowed to spend many hours exploring the cave on his own. In the fall of 1838 he penetrated a confusing maze of trails known as the ...

## Blanton, John W.

mechanical engineer and rocket scientist, was born John W. Blanton in Louisville, Kentucky, the son of John O. and Carolyn Blanton.

Blanton attended Purdue University in Indiana, graduating with a bachelor's degree in Mechanical Engineering in 1943. He began his career at Bell Aircraft Corporation in Buffalo, New York, where he worked from 1943 to 1945 and from 1950 through 1956. Initially involved in the research and development of gas and rocket engines, Blanton helped develop the X‐1, which on 14 October 1947 became the first aircraft to break the sound barrier in a human‐operated, level flight.

Two years after marrying Corinne Jones of Mississippi in 1943, Blanton was named the chief engineer of thermo and fluid dynamics at Frederick Flader Incorporated, in Buffalo, New York, where he worked for five years. In 1956 he joined General Electric in Evendale Ohio and continued to make ...

## Bluford, Guion Stewart, Jr.

engineer, astronaut, and the first African American in space, was born Guion Stewart Bluford Jr. in Philadelphia, Pennsylvania, the eldest son of Lolita Bluford, a public school special educator, and Guion Bluford Sr., a mechanical engineer. Guion Jr. was raised in a middle class, racially mixed neighborhood in West Philadelphia. Both parents instilled strong values and a powerful work ethic in him and his two younger brothers, Eugene and Kenneth. The boys were encouraged to never allow skin color to deter them from obtaining a successful career.

Throughout his youth the introverted Bluford though well spoken was quiet and often struggled with schoolwork Many teachers did not see much potential in him and indeed one school counselor went so far as to notify his parents that their son was not college potential and advised him to choose a different avenue after his graduation from Overbrook High School Yet ...

## Bohannon, Horace

pilot, Tuskegee Airman, civil servant, teacher, and juvenile probation officer, was born in Atlanta, Georgia, the youngest child of Georgia Crane and Earl Bohannon, occupations unknown. Bohannon was the youngest of ten children, although only his oldest sister and a brother were alive when Bohannon was born. One of his greatest influences growing up was his mother, who taught him the importance of principles, hard work, and honesty.

Bohannon began working at eight years of age in a hardware store His next job was working on a laundry truck It was the laundry job that ultimately led Bohannon to his dream of becoming an aviator Bohannon stopped twice a week at Atlanta s Candler Field later William B Hartsfield Airport While picking up the aviators laundry he listened to the pilots discussing their flights the difficulties of flying in adverse weather conditions and other matters that inspired him to ...

## Bolden, Charles F., Jr.

astronaut, test pilot, military and NASA Administrator, was born in Columbia, South Carolina, to Charles Frank Bolden Sr. and Ethel M. Bolden, both teachers. A child during the early years of the civil rights movement, Bolden was encouraged by his parents and teachers to pursue his dream of becoming a pilot, despite the fact that there were few opportunities at the time for African Americans to fly.

After graduating with honors from C. A. Johnson High School in Columbia in 1964, Bolden entered the U.S. Naval Academy at Annapolis, Maryland; he graduated with a BS in Electrical Science in 1968. Following graduation he married Alexis (Jackie) Walker. The couple would later have a son Anthony, born in 1971 and a daughter, Kelly, born in 1976.

In 1968 Bolden accepted a commission in the Marine Corps Quickly rising to the rank of second ...

## Brown, Wesley A.

the first African American U.S. Naval Academy graduate, was born John-Wesley Anthony Brown in Baltimore, Maryland, to William Brown, a truck driver, and Rosetta Shepherd, a seamstress. He was named after-John Wesley, the eighteenth-century founder of-Methodism from which the African Methodist Episcopal Zion (AMEZ) denomination was established. Owing to his parents’ demanding work schedules, Brown was raised in large part by his maternal grandmother, Katie Shepherd, sometimes called “Mother Shepherd,” a fierce disciplinarian with whom Brown and his parents lived. Through her, Brown developed a high regard for education, a respect for honesty, a quiet assertiveness, and a great work ethic. “You were always wrong if there was a complaint about your behavior,” Brown told the biographer Robert J. Schneller Jr. during a 19 December 1995 interview for the book Breaking the Color Barrier (2005), in referring to his grandmother's no-nonsense attitude.

Brown was taught to read by ...

## Bullard, Eugène

combat pilot, was born Eugene James Bullard in Columbus, Georgia, the son of William Octave Bullard, a laborer and former slave, and Josephine Thomas. Both parents were of African American and Creek Indian descent. In 1906 Bullard, the seventh of ten children, ran away from home, ending his formal education. He lived for a time with a band of gypsies, who taught him to ride racehorses. He then worked as a horse handler, jockey, and laborer in several southern states. Bullard gained the respect of several employers by his quiet insistence on treatment with dignity and equality, an ethos instilled in him by his father and strengthened by his sojourn with the tolerant, English-born gypsies.

Early in 1912 Bullard made his way to Norfolk Virginia where he stowed away on a freighter bound for Europe Set ashore in Aberdeen Scotland Bullard worked his way south joining a ...

## Cassell, Albert Irvin

architect, planner and developer, was born in Towson, Maryland, and grew up in Baltimore, the third child of Albert Truman and Charlotte Cassell. His father drove a coal truck and played trumpet for the Salvation Army Band; his mother brought in extra income doing washing. As a 14-year-old, Cassell expressed an ambition to build at Douglass High, a segregated public vocational school. While studying carpentry he enrolled in a drafting course with Ralph Victor Cook. Cook became a mentor to Cassell and encouraged him to pursue a college education in architecture at Cornell University, where Cook had been an early African American graduate of engineering.

Cassell entered Cornell in 1915, but two years into the program, World War I interrupted his studies. Cassell enlisted in the U.S. Army. In 1919 he returned to the United States from France with an honorable discharge Because Cornell ...