Born in Dravograd, Slovenia, to farmer parents. Studied medicine in Vienna, Belgrad, Ljubljana, graduated there 1950.
Board exam in radiation therapy 1955 Ljubljana. 1961-1973 radiation oncologist Radiumhemmet, Stockholm, Sweden, 6 years chief of pediatric radiation therapy there. Doctoral thesis on nephroblastoma at Karolinska Institute, Stockholm l973 associate professor there. 1973-75 and 1977-84 Sloan-Kettering Memorial Cancer Center, New York, in charge of pediatric and of ophtalmologie radiation. Since 1984 at the Oncological Institute Ljubljana, officially retired 1990 but still working on research project: “Late effects of childhood cancer treatment” and seminaries, consulting.
Assoc. prof. Karolinska Institute Sweden, Cornell University, New York, Full prof. University of Ljubljana, Slovenia, Past president of SIOP.
Married 2 children, 7 great-grandchildren