Tasuku Honjo

is a Japanese immunologist. He is best known for his work of finding and naming the Programmed Cell Death Protein 1 (PD-1).
He is also known for his discovery of cytokines: IL-4 and IL-5, as well as the discovery of Activation-induced Cytidine Deaminase (AID).

He was elected as a foreign associate of the National Academy of Sciences in 2001. He is a member of German Academy of Natural Scientists Leopoldina (2003), and also as a member of the Japan Academy (2005). 

In 2018, he was awarded the Nobel Prize in Physiology or Medicine along with James P. Allison. 

References

Category:1942 births
Category:Living people
Category:Japanese scientists
Category:Kyoto University alumni
Category:Kyoto University faculty
Category:Nobel Prize in Physiology or Medicine winners