In his retirement, he is involved in a number of computer activities that continue a connection with computers that began in 1956, when he programmed part of his Harvard PhD research on the Univac I. He has been using computers for various purposes ever since. He has written numerous articles for computer newsletters and often gives public lectures on home computing subjects. He has also been involved with various activities involving computer education for seniors.
He writes a column on technology tips at http://www.techsupportalert.com/view/tips. He also maintains several web sites where he writes articles on computer subjects. They are: