What is Herman Muller famous for?
Hermann Joseph Muller, (born Dec. 21, 1890, New York, N.Y., U.S.—died April 5, 1967, Indianapolis, Ind.), American geneticist best remembered for his demonstration that mutations and hereditary changes can be caused by X rays striking the genes and chromosomes of living cells.
What did Hermann Muller discover?
Herman Muller studied the hereditary characteristics of fruit flies and, in 1927, discovered that the number of genetic mutations observed in fruit flies increased when they were exposed to x-rays.
Who won the Nobel Prize in 2009 in biology?
The Nobel Assembly at Karolinska Institutet has awarded the Nobel Prize in Physiology or Medicine 2009 jointly to Elizabeth Blackburn, Carol Greider and Jack Szostak for the discovery of how chromosomes are protected by telomeres and the enzyme telomerase.
How did Paul Muller discover DDT?
Müller spent four years searching and failed 349 times before, in September 1939, he found the compound he was looking for. He placed a fly in a cage laced with one particular compound, and short while later, the fly died. Müller quickly realized that DDT was the chemical he had been searching for.
Who introduced term mutation?
Hugo de Vries
In 1901 the geneticist Hugo de Vries gave the name “mutation” to seemingly new forms that suddenly arose in his experiments on the evening primrose Oenothera lamarckiana.
Why did Abhijit Banerjee win Nobel Prize?
Indian-American Abhijit Banerjee, economists Esther Duflo and Michael Kremer jointly won the 2019 Nobel Economics Prize on Monday “for their experimental approach to alleviating global poverty.” He wrote his doctoral thesis on ‘Essays in Information Economics’ and received his Ph. D in 1988.
Who is the world’s youngest Nobel Prize?
Malala Yousafzai
The first group of awards were in the fields of Physics, Chemistry, Literature, and Peace, just like Nobel wished it to be in his will. One hundred and thirteen years from that day, Malala Yousafzai became the youngest person in history to win this highly prestigious accolade.
What does DDT mean?
Dichlorodiphenyltrichloroethane (DDT) is an insecticide used in agriculture. The United States banned the use of DDT in 1972.
Who is Paul Muller?
Paul Hermann Müller, (born Jan. 12, 1899, Olten, Switz. —died Oct. 12, 1965, Basel), Swiss chemist who received the Nobel Prize for Physiology or Medicine in 1948 for discovering the potent toxic effects on insects of DDT.
What did Carl Muller win the Nobel Prize for?
In 1946, Muller was awarded the Nobel Prize in Physiology or Medicine, “for the discovery that mutations can be induced by X-rays”.
What is the contribution of Hermann Muller?
Hermann Joseph Muller (December 21, 1890 – April 5, 1967) was an American geneticist, educator, and Nobel laureate best known for his work on the physiological and genetic effects of radiation ( mutagenesis ), as well as his outspoken political beliefs. Muller frequently warned of long-term dangers…
Who won the Nobel Prize in Physiology or Medicine 1946?
Hermann Joseph Muller. The Nobel Prize in Physiology or Medicine 1946 was awarded to Hermann Joseph Muller “for the discovery of the production of mutations by means of X-ray irradiation.”. MLA style: The Nobel Prize in Physiology or Medicine 1946. NobelPrize.org.
What awards has the University of London awarded Muller?
Muller was awarded the Linnean Society of London’s Darwin-Wallace Medal in 1958 and the Kimber Genetics Award of the U.S. National Academy of Sciences in 1955.