sentences:  From 1944 till 1948 Lenz worked as a physician in Luftwaffe hospitals during World War II and then in a prisoner-of-war camp in England.After stints in biochemistry in Göttingen and medicine in Kiel, he became physician-in-chief of the Eppendorfer Kinderklinik in 1952 and was named to the chair of pediatrics at the University of Hamburg in 1961.Lenz became director of the Institute of Human Genetics in Münster in 1965.