Marina Ratner, Date of Birth, Place of Birth, Date of Death

Marina Ratner

Russian mathematician

Date of Birth: 30-Oct-1938

Place of Birth: Moscow, Russia

Date of Death: 07-Jul-2017

Profession: mathematician, university teacher

Nationality: United States

Zodiac Sign: Scorpio

Marina Evseevna Ratner (Russian: ????´?? ????´???? ??´????; October 30, 1938 – July 7, 2017) was a professor of mathematics at the University of California, Berkeley who worked in ergodic theory.
Around 1990, she proved a group of major theorems concerning unipotent flows on homogeneous spaces, known as Ratner's theorems.
Ratner was elected to the American Academy of Arts and Sciences in 1992, awarded the Ostrowski Prize in 1993 and elected to the National Academy of Sciences the same year.
In 1994, she was awarded the John J.
Carty Award from the National Academy of Sciences.

George Bergman (1943–)

	Alternative names	George M. Bergman
	Description	American university teacher
	Date of birth	22 July 1943
	Location of birth	Brooklyn
	Authority control	: Q16198978 VIAF: 36173960 ISNI: 0000 0001 1054 507X LCCN: n96003979 MGP: 32848 GND: 172970725 WorldCat