Ralph Hempel on Edsger Dijkstra: "He ... corresponded regularly with hundreds of friends and colleagues over the years -- not by email but by conventional post. He strenuously preferred the fountain pen to the computer in producing his scholarly output and letters."
All comments are moderated before publication. These HTML tags are permitted: <p>, <b>, <i>, <a>, and <blockquote>. This site is protected by reCAPTCHA (for which the Google Privacy Policy and Terms of Service apply).