Hans van Houwelingen, a Dutch mathematician, died on May 14, 2026, at the age of 81.
Born Johannes Cornelis van Houwelingen in Rotterdam on March 25, 1945, he was also a professor emeritus of medical statistics at Leiden University. After graduating from Utrecht University in 1968 with a major in mathematics, he worked at Utrecht University’s Institute for Mathematical Statistics, spent a year at Philips in 1969, then returned to Utrecht.
He earned his doctorate at Utrecht University in 1973 and remained active as an emeritus scholar.
Hans van Houwelingen, 81, Dutch mathematician.