Rudolf Jaenisch is a Professor of Biology at MIT and a founding member of the Whitehead Institute for Biomedical Research. He was born on 22 April 1942 in Wolfelsgrund, Germany. Rudolf Jaenisch is a Professor of Biology at Massachusetts Institute of Technology, a founding member of the Whitehead Institute for Biomedical Research and the current president of the International Society for Stem Cell Research (ISSCR). He is a pioneer oftransgenic science, in which an animal’s genetic makeup is altered. Jaenisch has focused on creating genetically modified mice to study cancer and neurological diseases. He received the National Medal Of Science in 2010.