materials for AGH MS students. Ptak has promoted more than twenty masters of sciences (at AGH and Pedagogical School) and 8 doctors. Personal life Ptak had an incurable disease and he was active until his last months. On April 11, 2004, Ptak died in Kraków, Poland. Ptak was buried at the cemetery in Raciborowice, in the family tomb. A stone plaque placed on the grave commemorates him. Ptak was awarded the Gold Cross of Merit and the Medal of the National Education Commission. See also Włodzimierz Ptak References Polish chemists Jagiellonian University alumni Academic staff of AGH University of Science and Technology 1941 births 2004 deaths Recipients of the Gold Cross of Merit (Poland)