András Hajnal
András Hajnal ( May 13 , 1931 – July 30 , 2016 ) was a professor of mathematics at Rutgers University and a member of the Hungarian Academy of Sciences known for his work in set theory and combinatorics . 
<triplet> András Hajnal <subj> May 13, 1931 <obj> date of birth <subj> July 30, 2016 <obj> date of death <subj> Hungarian Academy of Sciences <obj> member of <subj> set theory <obj> field of work <subj> combinatorics <obj> field of work