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Ambartsumian

British  
/ amˌbartsʊmˈjɑn /

noun

  1. Viktor A ( mazaspovich ). 1908–96, Armenian astrophysicist, renowned for his description of radio sources as explosions in the core of galaxies

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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What does Marie Curie have in common with the bacteriologist Hideyo Noguchi and the theoretical astrophysicist Victor Ambartsumian?

From Nature

The observatory's head: Viktor Ambartsumian, the first Soviet scientist since World War II to become a foreign honorary member of the American Academy of Arts and Sciences.

From Time Magazine Archive