Dr. Fritz Blank of Merion, Pennsylvania, died on April 22, 1977 at the age of 62.  He was Professor of Medical Mycology in the Department of Dermatology and Department of Microbiology at Temple University School of Medicine where he had serveed from 1962 until his dealth.   Dr. Blank was born in Horn, Germany and was educated in Switzerland. He received an engineer degree in Agriculture at the Eidenossiche Technische Hochschule in Zurich in 1938 and went on to receive a doctorate in Botany (Dr. Sc. Nat., 1938) under Professor A. Sprecher and later a doctorate in Organic Chemistry (Dr. Sc.Tech., 1949) under Professor L. Ruzicka at the same institution.  He worked with Professor A. Frey-Wyssling in Plant Physiology (1939-43) and with D. L. Ruzicka in Organic Chemistry (1942-45) at the E.T.H in Zurich and later studied medical mycology at the Hospital St. Louis and the Institut de Parasitologie in Paris and at the Centraalbureau voor Schimmelcultures in Baarn, Holland (1947-48).  He entered the pharmaceutical industry in 1945 and did research on fungicides at the J.R. Geigy Ltd. in Basel until 1950.  In 1951, he moved to Montreal, Canada to take charge of the Medical Mycology Section at McGill University.  In 1962, he joined the faculty of Temple University School of Medicine whiere his activities including teaching and research in medical mycology as well as maintenance of a diagnostic laboratory for mycoses.   His research has appeared in more than 125 publications, many dealing with aspects of dermatophytes and dermatophytosis.  His work on the chemical composition of pathogenic fungi and fungal keratinases received international recognition.   He was a member of the International Society of Human and Animal Mycology (Vice President),  Canadian Society of Microbiology,  Canadian Public Health Association and Swiss Botanical Society.  He was survived by his wife Ruth,  two sons, David and Jacob, a daughter Eve, and two grandchildren.