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Oswald Theodore Avery Jr. (October 21, 1877 – February 20, 1955) was a Canadian-American physician and medical researcher. The major part of his career was spent at the Rockefeller Hospital in New York City.
Oswald Avery was a Canadian-born American bacteriologist whose research helped ascertain that DNA is the substance responsible for heredity, thus laying the foundation for the new science of molecular genetics.
Oswald Avery led the team that discovered DNA passes heredity instructions through successive generations of organisms – it carries the chemical code of life. Avery and his colleagues published their discovery in a classic paper describing what came to be known as the Avery–MacLeod–McCarty experiment.
The Avery–MacLeod–McCarty experiment was an experimental demonstration by Oswald Avery, Colin MacLeod, and Maclyn McCarty that, in 1944, reported that DNA is the substance that causes bacterial transformation, in an era when it had been widely believed that it was proteins that served the function of carrying genetic information ...
Learn about the life and work of Oswald Avery, the bacteriologist who discovered that DNA is the transforming principle. Find out how he contributed to the field of molecular biology and why he did not win a Nobel Prize.
In 1944, two Canadians, Oswald Avery and Colin MacLeod, and an American, MacLyn McCarty, published a paper in The Journal of Experimental Medicine that demonstrated genes to be the chemical, deoxyribonucleic acid (DNA).
Oswald Avery, DNA, and the transformation of biology. Seventy years ago, Oswald Avery and his colleagues from the Rockefeller Institute published the first evidence that genes are made of DNA. Their discovery was received with a mixture of enthusiasm, suspicion and perplexity.
