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Sir Cyril Clarke
Cyril Astley Clarke (1907-2000).jpg
Born (1907-08-22)22 August 1907
Leicester, England
Died 21 November 2000(2000-11-21) (aged 93)
West Kirby, England
Alma mater Gonville and Caius College and Guy's Hospital
Occupation Professor of Medicine and consultant physician
Known for Pioneering work on prevention of Rh disease, and genetics of Lepidoptera
Spouse(s) Lady Frieda (or Féo) Clarke (m. 1935–1998)
Children 3 sons: Miles, Charles, John
Awards Albert Lasker Award for Clinical Medical Research (1980)
Buchanan Medal (1990)
Scientific career
Fields Medicine and genetics
Institutions Liverpool University

Sir Cyril Astley Clarke (born August 22, 1907 – died November 21, 2000) was a brilliant British doctor, scientist, and even a butterfly expert! He is famous for two big things: helping to prevent a serious blood disease in newborn babies called Rh disease, and for his amazing studies on the genetics of butterflies and moths. He received many honors for his important work, including being knighted.

About Sir Cyril Clarke

Cyril Clarke was born in Leicester, England, in 1907. He went to school at Wyggeston Grammar School and Oundle School. His interest in butterflies and moths started when he was still at school.

He studied natural science at Gonville and Caius College, Cambridge. Later, he studied medicine at Guy's Hospital in London. During the Second World War, he worked as a medical specialist for the Royal Navy.

After the war, Clarke became a doctor at hospitals in Birmingham and Liverpool. In 1963, he became the Director of the Nuffield Unit of Medical Genetics at the University of Liverpool. Two years later, he became a Professor of Medicine. He worked in these roles until he retired in 1972. Even after retiring, he served as the President of the Royal College of Physicians.

Preventing Rh Disease

One of Sir Cyril Clarke's most important achievements was helping to develop a way to prevent Rh disease. This is a condition where a mother's blood can harm her baby's blood during pregnancy.

Clarke helped create a method where Rh-negative women receive special injections during pregnancy. These injections stop the mother's body from making harmful antibodies. This discovery was a huge step forward in preventive medicine in the 20th century. It has saved many babies' lives.

Studying Butterflies and Moths

Cyril Clarke also loved studying insects, especially butterflies and moths. He met another biologist, Philip Sheppard, through an insect magazine. They became friends and started working together.

From 1959, they used a special moth trap to study insects near West Kirby, England. They looked closely at the peppered moth, the scarlet tiger moth, and the swallowtail butterfly. They wrote many scientific papers about the genetics of these insects.

Even after he retired, Clarke continued his research. In 1988, he found a colony of scarlet tiger moths that Philip Sheppard had started in 1961. This colony was very helpful for understanding how animal populations change over time.

His Family

Cyril Clarke married Frieda (also known as Féo) in 1934. They had three sons. Lady Clarke passed away in 1998, and Sir Cyril Clarke died in 2000.

Sir Cyril's Achievements and Awards

Sir Cyril Clarke received many honors and awards for his important work.

See also

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