See the death notice, publication list, and appreciations by József Szabados (analysis and approximation theory), by Pál Erdős and Mihály Szalay (number theory), and by Miklós Simonovits (graphy theory) in Matematikai Lapok25 (1974) pages 211-250 (http://real-j.mtak.hu/9373/1/MTA_MatematikaiLapok_1974.pdf); although mostly Hungarian, much of the mathematics is easily understood and many of the citations are to English articles. Retrieved 10 April 2022.
"An officer was standing nearby, watching us work. When he heard my name, he asked the comrade whether I was a mathematician. It turned out, that the officer, Joshef Winkler, was an engineer. In his youth, he had placed in a mathematical competition; in civilian life he was a proof-reader at the print shop where the periodical of the Third Class of the Academy (Mathematical and Natural sciences) was printed. There he had seen some of my manuscripts." P. Turán, "A note of welcome", Journal of Graph Theory1 (1977), pp. 7-9.
