He wrote over 100 academic papers, authored 10 books, and was a speaker at several conferences, including the Berkeley Symposiums in 1960, 1965, and 1970.
He received honors and awards like the Hungarian State Prize and Grauss Ehrenplakette in 1966 and 1978 respectively.
Around 1950, he founded the Mathematical Institute of the Hungarian Academy, whose director was Alfréd Rényi.
Early in his career, he wrote papers with Paul Erdős, including On the approximation of convex, closed plane curves by multifocal ellipses.
[1] He participated in conferences and gave seminar talks in the United States, Canada, Argentina, Germany, and China.