Scientific Centenaries in 1939

historiographical map of iranian engineering scientific publications during 1939-2011

bibliometric, and scientometric approaches are used to provide appropriate tools for evaluating scientific products at local, national, and international levels. iran, the same as other countries, has many universities and research centers in the field of engineering that iran's most of the scientific products account for the field of engineering. this study is a descriptive approach using scie...

A Complete Bibliography of Scientific American : 1930–1939

In Memoriam—LevBrutman (1939–2001)

Lev M. Brutman was born in Moscow, in the former Soviet Union, on September 25, 1939. He completed his mathematical studies at Moscow State University in 1965. In 1973, he emigrated to Israel. With Nira Dyn as his advisor, Lev obtained a Ph.D. degree at Tel-Aviv University in 1982. The title of his dissertation was ‘‘Operators of polynomial interpolation and alternation: properties, optimality ...

Leon Richard Kass (1939- )

A PhD and medical doctor turned ethicist, Leon Kass calls himself an unlicensed humanist. Throughout his unique career he has sought to impact others and engage important cultural issues. This he has accomplished over the course of many years by studying biochemistry, teaching humanities, writing articles and books on ethics, and serving as chair of the President?s Council on Bioethics. Kass ha...

Karl Oskar Illmensee (1939?)

Karl Oskar Illmensee studied the cloning [2] and reproduction of fruit flies, mice, and humans [3] in the US and Europe during the twentieth and twenty-first centuries. Illmensee used nuclear transfer techniques (cloning [2]) to create early mouse [4] embryos from adult mouse [4] cells, a technique biologists used in later decades to help explain how embryonic cells function during development....