death_place death_date birth_place nationality fields birth_date article_title name alma_mater
champaign , illinois , usa 25 january 2014 most , czechoslovakia uk british mathematics analytic number theory combinatorial number theory 11 september 1926 heini halberstam
 heini halberstam university college , london
heini halberstam

heini halberstam -lrb- 11 september 1926 -- 25 january 2014 -rrb- was a british mathematician , working in the field of analytic number theory .
he is one of the two mathematicians after whom the elliott -- halberstam conjecture is named .
halberstam was born in most , czechoslovakia and died in champaign , illinois , usa .
his father died when he was very young .
after adolf hitler 's annexation of the sudetenland , he and his mother moved to prague .
at the age of twelve , as the nazi occupation progressed , he was one of the 669 children saved by sir nicholas winton , who organized the kindertransport , a train that allowed those children to leave nazi-occupied territory .
he was sent to england , where he lived during world war ii .
he obtained his phd in 1952 , from university college , london , under supervision of theodor estermann .
from 1962 until 1964 , halberstam was erasmus smith 's professor of mathematics at trinity college dublin -lrb- university of dublin -rrb- ; from 1964 until 1980 , halberstam was a professor of mathematics at nottingham university .
in 1980 , he took up a position at the university of illinois , urbana champaign -lrb- uiuc -rrb- and he became an emeritus professor at uiuc in 1996 .
in 2012 , he became a fellow of the american mathematical society .
he is known also for books , with klaus roth on combinatorial number theory , and with h. e. richert on sieve theory .
