In the summer of 1939, John and Kate came to visit us for the period of the school holidays. A few days after they arrived the War broke out, and it became impossible to send them back to England. I had to provide for their further education at a moment's notice. John was seventeen, and I entered him at the University of California.
Source:The Autobiography of Bertrand Russell, v.2 chap. 6:America, 1968] More info.(pc site):> http://russell-j.com/beginner/AB26-020.HTM