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Gratias Agit
Gratias is a surname. Notable people with the surname include: * Arthur Gratias (1920–2015), American politician * Denis Gratias Denis Gratias, born on 22 September 1947 in Paris (France) is a French scientist, emeritus research director at the CNRS. His speciality is materials science, in particular crystallography. Since the discovery of quasicrystals by Dan Shechtman i ... (born 1947), French scientist See also * Gratia (other) {{surname ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arthur Gratias
Arthur L. Gratias (May 1, 1920 – March 6, 2015) was an American politician in the state of Iowa. Gratias was born in Nora Springs, Iowa. He attended Wartburg College and the University of Northern Iowa. He served in the United States Army during World War II, for which he received the Légion d'honneur in 2013. Gratias farmed for 23 years. His career in education included five years of teaching experience and four years as an elementary school principal. Gratias then served 22 years on the school board. He was a member of the Iowa Senate from 1979 to 1987, serving the 7th and 15th 15 (fifteen) is the natural number following 14 (number), 14 and preceding 16 (number), 16. Mathematics 15 is: * A composite number, and the sixth semiprime; its proper divisors being , and . * A deficient number, a smooth number, a lucky ... districts as a Republican. References 1920 births 2015 deaths People from Nora Springs, Iowa Military personnel from Iowa Wartburg College ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Denis Gratias
Denis Gratias, born on 22 September 1947 in Paris (France) is a French scientist, emeritus research director at the CNRS. His speciality is materials science, in particular crystallography. Since the discovery of quasicrystals by Dan Shechtman in 1982, he has contributed to their description, notably by developing theoretical models. He is a correspondent member at the French Academy of Sciences since 1994. Biography Denis Gratias graduated as a chemical engineer in 1970 at Chimie ParisTech. In 1978, Denis Gratias defended his PhD thesis at the Structural Metallurgy Laboratory (CNRS-ENSCP), entitled Cristallography of interfaces in homogeneous crystals and developed with Richard Portier a formalism of fast electron diffraction. He then completed his post-doctoral training at the University of California at Berkeley (USA) where he was interested in the problems of statistical thermodynamics of generalized mean field (Cluster Variation Method). Back in France, he took up his ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
