Input (grade 13): Susumu Tonegawa (å æ å é Tonegawa Susumu, born September 6, 1939) is a Japanese scientist who won the Nobel Prize for Physiology or Medicine in 1987 for his discovery of the genetic mechanism that produces antibody diversity.
Output (grade 12): Susumu Tonegawa (born 6 September 1939) is a Japanese scientist who won the Nobel Prize in Physiology or Medicine in 1987.