Karel Styblo

[2] Toward the end of World War II, he was imprisoned at the Mauthausen-Gusen concentration camp in Austria, where he contracted tuberculosis.

[12] He was also responsible for instituting a systematic feedback method for analyzing outcomes of TB cases, known as the "cohort review" principle (CR), which was adopted in London and outside of the UK.

[10] According to the World Health Organization:The role of Dr Karel Styblo, IUAT Scientific Director, in the development of these innovative programmes cannot be understated.

The principles developed by him in Africa were later adapted and promoted by WHO as DOTS, and adopted in places as diverse as China, New York, and India.

He proved to have a genius for persuading governments that tuberculosis was a major economic problem as well as a public health concern.

In addressing graduates at the Harvard School of Public Health in 2014, Frieden said that Styblo's query about how many patients the New York City program had cured shamed him into "implementing a program to track the outcomes of every single patient diagnosed", adding that the question "changed my life.