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Há 9 horas · Erdős in 1992. Paul Erdős (1913–1996) was a Hungarian mathematician. He considered mathematics to be a social activity and often collaborated on his papers, having 511 joint authors, many of whom also have their own collaborators.
Há 9 horas · Einsteinium is a synthetic chemical element; it has symbol Es and atomic number 99. It was named in honor of Albert Einstein and is a member of the actinide series and is the seventh transuranium element. Einsteinium was discovered as a component of the debris of the first hydrogen bomb explosion in 1952.
Há 9 horas · Otto Hahn was born in Frankfurt am Main on 8 March 1879, the youngest son of Heinrich Hahn (1845–1922), a prosperous glazier (and founder of the Glasbau Hahn company), and Charlotte Hahn née Giese (1845–1905). He had an older half-brother Karl, his mother's son from her previous marriage, and two older brothers, Heiner and Julius.
Há 1 dia · Ruth Simmons – vice provost, 1992–95 [206] – first female and first black president of any Ivy League school (Brown) Peter Singer – professor of human values, expert on practical ethics. P. Adams Sitney – film historian, professor of visual arts. Michael A. Smith – professor of philosophy.
Há 1 dia · Capitalism is characterized by private ownership of the factors of production. Decision making is decentralized and rests with the owners of the factors of production. Their decision making is coordinated by the market, which provides the necessary information. Material incentives are used to motivate participants.
