Leland Clark Photo

Leland Clark

Born: Dec 4, 1918

Death: Sep 25, 2005

Birthplace: Rochester

Profession: Chemist

Nationality: United States

Leland Clark

Date of Birth : Dec 4, 1918
Date of Death : Sep 25, 2005
Birth Place : Rochester

Leland C. Clark Jr. was an American biochemist born in Rochester, New York. He is most well known as the inventor of the Clark electrode, a device used for measuring oxygen in blood, water and other liquids. Clark is considered the "father of biosensors", and the modern-day glucose sensor used daily by millions of diabetics is based on his research. He conducted pioneering research on heart-lung machines in the 1940s and '50s and was holder of more than 25 patents. Although he developed a fluorocarbon-based liquid that could be breathed successfully by mice in place of air, his lifelong goal of developing artificial blood remained unfulfilled at the time of his death. He is the inventor of Oxycyte, a third-generation perfluorocarbon therapeutic oxygen carrier designed to enhance oxygen delivery to damaged tissues.


  • Chemist
  • Inventor
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