(December 14, 1875 – November 12, 1964), was a surgeon with a wide breadth of interests. He trained first as a mathematician and engineer. His engineer’s training enabled him to design and make new types of surgical instrument. His mathematical training made him a leader in setting out the first British guidelines for Radiotherapy. In 1925 he pioneered “blind†open heart surgery on a patient with congenital heart defect. This was not repeated until 1948.
source: Wikipedia.com
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