Albert Sabin conducted at Johns Hopkins Hospital in 1992 when Sabin was 86. A year later, Sabin died in Washington, D.C., from heart failure. Sabin refused to patent his vaccine, waiving every commercial exploitation by pharmaceutical industries, so that the low price would guarantee a more extensive spread of the treatment. From the development of his vaccine Sabin did not gain a single dollar, and continued to live on his salary as a professor. Albert Sabin Albert Bruce Sabin (born Abram Saperstein; August 26, 1906 – March 3, 1993) was a Polish American medical researcher, best known for developing the oral polio
David Bruce (microbiologist) tsetse fly vector, of African trypanosomiasis ("sleeping sickness"). He was Surgeon-General for the duration of the First World War from 1914–19 at the Royal Army Medical College, Millbank, London. "Brucella" is the genus and Brucellaceae is the family of the bacteria which was named after him, in recognition of his discoveries. "Brucella melitensis" is the cause of undulant fever in man and of abortion in goats. It is usually transmitted by goat's milk. "Trypanosoma brucei", the cause of sleeping sickness, is also named after him. Bruce was elected a Fellow of the Royal Society (FRS) in 1899. He served as