Currently alive, at 92 years of age.
1923 – Born on the 21st of April in Vivild, Denmark.
1951 – He joined the World Health Organization (WHO).
1962 – He became Chief of the Tuberculosis Unit at the WHO Headquarters in Geneva.
1969 – He was appointed Director, Project Systems Analysis.
1970 – He became Assistant Director-General of WHO while retaining the direction of Project Systems Analysis.
1973 – He was elected as a elected World Health Organization third Director-General.
1978 – He re-elected as a elected World Health Organization third Director-General.