Howard Temin

Howard Martin Temin (December 10, 1934 – February 9, 1994) was an American geneticist. He shared the Nobel Prize in Physiology or Medicine for 1975 with David Baltimore and Renato Dulbecco. He showed that certain tumor viruses carried the enzymatic ability to reverse the flow of information from RNA back to DNA using reverse transcriptase. He was born in Philadelphia, Pennsylvania.