Alexander Gottlieb Baumgarten, född 17 juli 1714 i Berlin, död 27 maj 1762 i Frankfurt an der Oder, var en tysk filosof som myntade den moderna innebörden av begreppet "estetik".
Alexander Gottlieb Baumgarten foi um filósofo e educador alemão que cunhou o termo estética e estabeleceu essa disciplina como um campo distinto da investigação filosófica.
Alexander Borisovich Gradsky was a Russian rock singer, bard, multi-instrumentalist and composer. He was one of the earliest performers of rock music in Russia. His diverse repertoire included rock 'n' roll, traditional folk songs performed with a rock twist, and operatic arias. He composed two rock operas and numerous songs including soundtrack music for several films.
Alexander Grigorievich Granberg was a Soviet and Russian economist, specialist in the field of regional economics and interregional economic relations, mathematical modeling of economic processes and methodology of intersectoral analysis.
Alexander Graydon Jr. (1752–1818) was an author and officer in the American Revolution. He was commissioned captain on January 5, 1776, and commanded a company of men in the Battle of Long Island and in the Battle of Harlem Heights. He was taken prisoner during the Battle of Fort Washington. After the war, he was elected as prothonotary of Dauphin County, Pennsylvania (1785–1799).
Alexander Gregorevich Fischer von Waldheim fue un botánico, zoólogo, médico, y explorador ruso, de origen germano, que fue Pte. de la Société Impériale des Naturalistes de Moscou.
