The article about David Benjamin Lewin *58 (Princeton Portrait, June/July issue) was interesting. I thought readers might be interested in another computer-music pioneer, Lejaren Hiller ’45 *47. Hiller earned a Ph.D. in chemistry from Princeton and worked for DuPont before moving to the academic world and working on computerized compositions. One example of his work can be found on YouTube at

Jon Harper *68
Hamden, Conn.