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The Nobel Prize in Physiology or Medicine 1902
Ronald Ross

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Ronald Ross - Biographical

Ronald Ross was born on May 13, 1857, as the son of Sir C.C.G. Ross, a General in the English army. He commenced the study of medicine at St. Bartholomew's Hospital in London in 1875; entered the Indian Medical Service in 1881. He commenced the study of malaria in 1892. In 1894 he determined to make an experimental investigation in India of the hypothesis of Laveran and Manson that mosquitoes are connected with the propagation of the disease. After two and a half years' failure, Ross succeeded in demonstrating the life-cycle of the parasites of malaria in mosquitoes, thus establishing the hypothesis of Laveran and Manson. In 1899 he joined the Liverpool School of Tropical Medicine under the direction of Sir Alfred Jones. He was immediately sent to West Africa to continue his investigations, and there he found the species of mosquitoes which convey the deadly African fever. Since then the School has been unremitting in its efforts to improve health, and especially to reduce the malaria in West Africa. Ross' researches have been confirmed and assisted by many distinguished authorities, especially by Koch, Daniels, Bignami, Celli, Christophers, Stephens, Annett, Austen, Ruge, Ziemann, and many others.

In 1901 Ross was elected a Fellow of the Royal College of Surgeons of England and also a Fellow of the Royal Society, of which he became Vice-President from 1911 to 1913. In 1902 he was appointed a Companion of the Most Honourable Order of Bath by His Majesty the King of Great Britain. In 1911 he was elevated to the rank of Knight Commander of the same Order. In Belgium, he was made an Officer in the Order of Leopold II.

In 1902 a movement was set on foot to commemorate the valuable services rendered to the School of Tropical Medicine by its originator and Chairman, Sir Alfred Jones, by founding a Chair of Tropical Medicine in University College to be connected with the School. The movement was met with enthusiastic support, and an amount of money was quickly collected sufficient to found «Sir Alfred Jones' Chair of Tropical Medicine». Ross was appointed to the Professorship in 1902 and retained the Chair until 1912, when he left Liverpool, and was appointed Physician for Tropical Diseases at Kings College Hospital, London, a post which he held together with the Chair of Tropical Sanitation in Liverpool. He remained in these posts until 1917, when he was appointed Consultant in Malariology to the War Office, his service in this capacity, and in special connection with epidemic malaria then occurring on combatant troops, being recognized by his elevation to the rank of Knight Commander, St. Michael and St. George, in 1918. He was later appointed Consultant in Malaria to the Ministry of Pensions. In 1926 he assumed the post of Director in Chief of the Ross Institute and Hospital of Tropical Diseases and Hygiene, which had been created by admirers of his work, and he remained in this position until his death. He was also a President of the Society of Tropical Medicine. His Memoirs (London, 1923) were «inscribed to the people of Sweden and the memory of Alfred Nobel».

During this active career, Ross' interest lay mainly in the initiation of measures for the prevention of malaria in different countries of the world. He carried out surveys and initiated schemes in many places, including West Africa, the Suez Canal zone, Greece, Mauritius, Cyprus, and in the areas affected by the 1914-1918 war. He also initiated organizations, which have proved to be well established, for the prevention of malaria within the planting industries of India and Ceylon. He made many contributions to the epidemiology of malaria and to methods of its survey and assessment, but perhaps his greatest was the development of mathematical models for the study of its epidemiology, initiated in his report on Mauritius in 1908, elaborated in his Prevention of Malaria in 1911 and further elaborated in a more generalized form in scientific papers published by the Royal Society in 1915 and 1916. These papers represented a profound mathematical interest which was not confined to epidemiology, but led him to make material contributions to both pure and applied mathematics. Those related to «pathometry» are best known and, 40 years later, constitute the basis of much of the epidemiological understanding of insect-borne diseases.

Through these works Ross continued his great contribution in the form of the discovery of the transmission of malaria by the mosquito, but he also found time and mental energy for many other pursuits, being poet, playwright, writer and painter. Particularly, his poetic works gained him wide acclamation which was independent of his medical and mathematical standing.

He received many honours in addition to the Nobel Prize, and was given Honorary Membership of learned societies of most countries of Europe, and of many other continents. He got an honorary M.D. degree in Stockholm in 1910 at the centenary celebration of the Caroline Institute. Whilst his vivacity and single-minded search for truth caused friction with some people, he enjoyed a vast circle of friends in Europe, Asia and America who respected him for his personality as well as for his genius.

Ross married Rosa Bessie Bloxam in 1889. They had two sons, Ronald and Charles, and two daughters, Dorothy and Sylvia. His wife died in 1931, Ross survived her until a year later, when he died after a long illness, at the Ross Institute, London, on September 16, 1932.

From Nobel Lectures, Physiology or Medicine 1901-1921, Elsevier Publishing Company, Amsterdam, 1967

This autobiography/biography was written at the time of the award and first published in the book series Les Prix Nobel. It was later edited and republished in Nobel Lectures. To cite this document, always state the source as shown above.

For more updated biographical information, see: Ross, Ronald, Memoirs. John Murray, London, 1923.

 

Copyright © The Nobel Foundation 1902
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