Howard M. Temin


Howard Martin Temin

Photo from the Nobel Foundation archive.

Howard Martin Temin
The Nobel Prize in Physiology or Medicine 1975

Born: 10 December 1934, Philadelphia, PA, USA

Died: 9 February 1994, Madison, WI, USA

Affiliation at the time of the award: University of Wisconsin, Madison, WI, USA

Prize motivation: “for their discoveries concerning the interaction between tumour viruses and the genetic material of the cell”

Prize share: 1/3


After Renato Dulbecco discovered that tumor viruses operate by incorporating their DNA into the DNA of host cells, Howard Temin and David Baltimore–independently of one another–discovered that viruses with genomes consisting of RNA can also be inserted into host cells' DNA. This takes place through an enzyme known as reverse transcriptase. The discovery that the information in RNA can be transferred to DNA meant that the generally accepted rule that genetic information was only transferred in one direction–from DNA to RNA, to protein–had to be modified.

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