[1] Horvath received his doctorate in 1947 from the University of Budapest as a student of Lipót Fejér and Frigyes Riesz.
Four other talented mathematicians also graduated in the class of 1947: János Aczél, Ákos Császár, László Fuchs and István Gál.
At the recommendation of John von Neumann and Salomon Lefschetz, in 1951 he came to the newly founded University of Los Andes in Bogota, where he became the first head of the mathematics department and established modern mathematics in Bolivia.
[2] In 1957 Horvath finally went to the United States, where he taught at the University of Maryland until 1994 and was then awarded the title of Professor Emeritus.
"[4] In 2006, Horvath edited and wrote one of the chapters (Holomorphic Functions) for A Panorama of Hungarian Mathematics in the Twentieth Century.