Famous People with Name Abraham

Abraham Bar ?iyya Ha-Nasi            Origin/Culture/Country: Jewish

Abraham Bar ?iyya Ha-Nasi: was a Catalan Jewish mathematician, astronomer and philosopher, also known as Savasorda (from the Arabic ???? ?????? Sâhib ash-Shurta "Chief of the Guard"). He lived in Barcelona.Abraham bar Hiyya is remembered in the world of mathematics for his role in the dissemination of the quadratic equation. Bar Hiyya wrote several scientific works in the fields of astronomy, mathematics, land surveying and calendar calculations.He also wrote two religious works in the field of Judaism and the Hebrew Bible: Hegyon ha-Nefesh ("Contemplation of [the] Soul") on repentance and Megillat ha-Megalleh on the redemption of the Jewish people. Even these religious works contain scientific and philosophical speculation. His Megillat ha-Megalleh ("Scroll of the Revealer") was also astrological in nature. It claimed to forecast the messianic future.

Abraham Zacuto            Origin/Culture/Country:

Abraham Zacuto: was a Sephardi Jew astronomer, astrologer, mathematician and historian who served as Royal Astronomer in the 15th century to King John II of Portugal. The Zagut crater on the moon is named after him.Zacuto perfected the astrolabe, which only then became an instrument of precision, and he was the author of the highly accurate Almanach Perpetuum that were used by ship captains to determine the position of their Portuguese caravels in high seas, through calculations on data acquired with an astrolabe. His contributions were undoubtedly valuable in saving the lives of Portuguese seamen, and allowing them to reach Brazil and India.

Abraham Trembley            Origin/Culture/Country: Swiss

Abraham Trembley: was a Swiss naturalist. He is best known for being the first to study freshwater polyps or hydra and for being among the first to develop experimental zoology. His mastery of experimental method has led some historians of science to credit him as the "father of biology".[1]Trembley came from an officer's family from Geneva, where he studied mathematics before taking up the career of a tutor in the Netherlands. In 1736, while in charge of Count Bentinck's sons at the mansion of Sorgvliet near the Hague, he started working as a zoologist after discovering hydra in the stream flowing through the estate.

Abraham Dee Bartlett            Origin/Culture/Country: British

Abraham Dee Bartlett: Bartlett had a small natural history shop near to the British Museum where he sold the products of his taxidermy business.

Abraham Robinson            Origin/Culture/Country: Jawish

Abraham Robinson: was a mathematician who is most widely known for development of non-standard analysis, a mathematically rigorous system whereby infinitesimal and infinite numbers were incorporated into mathematics.which is now Walbrzych, in Poland. Robinson was in France when the Nazis invaded during World War II, and escaped by train and on foot, being alternately questioned by French soldiers suspicious of his German passport and asked by them to share his map, which was more detailed than theirs. He joined the Free French Air Force and contributed to the war effort by teaching himself aerodynamics and becoming an expert on the airfoils used in the wings of fighter planes.