December 4, 1908: American Geneticist Alfred Hershey was Born
Alfred Day Hershey (December 4, 1908 – May 22, 1997) was an American geneticist. Hershey and Martha Chase performed the famous Hershey–Chase experiment in 1952, and provided additional evidence that DNA was the genetic material of life instead of protein. Hershey was awarded the Nobel Prize in Physiology or Medicine in 1969, shared with Salvador Luria and Max Delbrück for their discovery on the replication of viruses and their genetic structure.
Reference
http://www.nobelprize.org/nobel_prizes/medicine/laureates/1969/hershey-bio.html
https://en.wikipedia.org/wiki/Alfred_Hershey
Image Source
https://www.thefamouspeople.com/profiles/alfred-day-hershey-3560.php