Before he passed away on July 11, Susumu Tonegawa had been a professor at MIT for more than 40 years. At a memorial service Oct. 16, colleagues, mentees and other friends spanning almost the whole arc of his illustrious MIT career gathered with members of his family to celebrate his life with recollections and stories that praised not only his science and achievements, but even more so his humanity.The picture that 16 speakers collectively painted was one of a man who simultaneously demanded excellence and yet consistently demonstrated kindness and…
