Clarence Crafoord

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Clarence Crafoord
Gairdner Foundation International Award (1962)
Scientific career
Fieldssurgery

Clarence Crafoord (28 May 1899 – 25 February 1984) was a Swedish

Robert E. Gross
. Crafoord also introduced heparin as thrombosis prophylaxis in the 1930s and he pioneered mechanical positive-pressure ventilation during thoracic operations in the 1940s.

Crafoord was professor of

thoracic surgery at Karolinska Institute
from 1948 to 1966.

References